-40.06% is the change from 931 to 558
Calculation steps:
[( 558 - 931 ) ÷ 931] x 100 = -40.06%
Formula
Percentage change = [(558 - 931) / 931] x 100
Subtract the new number by the original number
558 - 931 = -373
-373 ÷ 931 = -0.40064446831364126
-0.40064446831364126 x 100 = -40.06%