-20.62% is the change from 417 to 331
Calculation steps:
[( 331 - 417 ) ÷ 417] x 100 = -20.62%
Formula
Percentage change = [(331 - 417) / 417] x 100
Subtract the new number by the original number
331 - 417 = -86
-86 ÷ 417 = -0.20623501199040767
-0.20623501199040767 x 100 = -20.62%