-43.9% is the change from 590 to 331
Calculation steps:
[( 331 - 590 ) ÷ 590] x 100 = -43.9%
Formula
Percentage change = [(331 - 590) / 590] x 100
Subtract the new number by the original number
331 - 590 = -259
-259 ÷ 590 = -0.43898305084745765
-0.43898305084745765 x 100 = -43.9%