-40.32% is the change from 930 to 555
Calculation steps:
[( 555 - 930 ) ÷ 930] x 100 = -40.32%
Formula
Percentage change = [(555 - 930) / 930] x 100
Subtract the new number by the original number
555 - 930 = -375
-375 ÷ 930 = -0.4032258064516129
-0.4032258064516129 x 100 = -40.32%