-38.67% is the change from 331 to 203
Calculation steps:
[( 203 - 331 ) ÷ 331] x 100 = -38.67%
Formula
Percentage change = [(203 - 331) / 331] x 100
Subtract the new number by the original number
203 - 331 = -128
-128 ÷ 331 = -0.3867069486404834
-0.3867069486404834 x 100 = -38.67%