-42.63% is the change from 577 to 331
Calculation steps:
[( 331 - 577 ) ÷ 577] x 100 = -42.63%
Formula
Percentage change = [(331 - 577) / 577] x 100
Subtract the new number by the original number
331 - 577 = -246
-246 ÷ 577 = -0.42634315424610053
-0.42634315424610053 x 100 = -42.63%