-61.33% is the change from 331 to 128
Calculation steps:
[( 128 - 331 ) ÷ 331] x 100 = -61.33%
Formula
Percentage change = [(128 - 331) / 331] x 100
Subtract the new number by the original number
128 - 331 = -203
-203 ÷ 331 = -0.6132930513595166
-0.6132930513595166 x 100 = -61.33%