-59.21% is the change from 331 to 135
Calculation steps:
[( 135 - 331 ) ÷ 331] x 100 = -59.21%
Formula
Percentage change = [(135 - 331) / 331] x 100
Subtract the new number by the original number
135 - 331 = -196
-196 ÷ 331 = -0.5921450151057401
-0.5921450151057401 x 100 = -59.21%