-39.15% is the change from 544 to 331
Calculation steps:
[( 331 - 544 ) ÷ 544] x 100 = -39.15%
Formula
Percentage change = [(331 - 544) / 544] x 100
Subtract the new number by the original number
331 - 544 = -213
-213 ÷ 544 = -0.3915441176470588
-0.3915441176470588 x 100 = -39.15%