-86.81% is the change from 766 to 101
Calculation steps:
[( 101 - 766 ) ÷ 766] x 100 = -86.81%
Formula
Percentage change = [(101 - 766) / 766] x 100
Subtract the new number by the original number
101 - 766 = -665
-665 ÷ 766 = -0.8681462140992167
-0.8681462140992167 x 100 = -86.81%