-97% is the change from 766 to 23
Calculation steps:
[( 23 - 766 ) ÷ 766] x 100 = -97%
Formula
Percentage change = [(23 - 766) / 766] x 100
Subtract the new number by the original number
23 - 766 = -743
-743 ÷ 766 = -0.9699738903394256
-0.9699738903394256 x 100 = -97%