-73.41% is the change from 331 to 88
Calculation steps:
[( 88 - 331 ) ÷ 331] x 100 = -73.41%
Formula
Percentage change = [(88 - 331) / 331] x 100
Subtract the new number by the original number
88 - 331 = -243
-243 ÷ 331 = -0.7341389728096677
-0.7341389728096677 x 100 = -73.41%