-77.31% is the change from 520 to 118
Calculation steps:
[( 118 - 520 ) ÷ 520] x 100 = -77.31%
Formula
Percentage change = [(118 - 520) / 520] x 100
Subtract the new number by the original number
118 - 520 = -402
-402 ÷ 520 = -0.7730769230769231
-0.7730769230769231 x 100 = -77.31%