FocusSlope

FocusSlope shows how much your energy dropped:
Enter energy at start and at end of a period (both in percent).
Instantly get your focus decline %.
Decline is: ((start - end)/start) × 100.
If start is zero, you get a warning.

Features:
• Energy % at start/end, input 0–100
• Focus decline % instantly
• Copy/share
• Friendly reset and value checks

Stay sharp—track your drop with FocusSlope!