-87.34% is the change from 766 to 97
Calculation steps:
[( 97 - 766 ) ÷ 766] x 100 = -87.34%
Formula
Percentage change = [(97 - 766) / 766] x 100
Subtract the new number by the original number
97 - 766 = -669
-669 ÷ 766 = -0.8733681462140992
-0.8733681462140992 x 100 = -87.34%