-32.02% is the change from 331 to 225
Calculation steps:
[( 225 - 331 ) ÷ 331] x 100 = -32.02%
Formula
Percentage change = [(225 - 331) / 331] x 100
Subtract the new number by the original number
225 - 331 = -106
-106 ÷ 331 = -0.3202416918429003
-0.3202416918429003 x 100 = -32.02%