-40.49% is the change from 936 to 557
Calculation steps:
[( 557 - 936 ) ÷ 936] x 100 = -40.49%
Formula
Percentage change = [(557 - 936) / 936] x 100
Subtract the new number by the original number
557 - 936 = -379
-379 ÷ 936 = -0.4049145299145299
-0.4049145299145299 x 100 = -40.49%