-40.38% is the change from 936 to 558
Calculation steps:
[( 558 - 936 ) ÷ 936] x 100 = -40.38%
Formula
Percentage change = [(558 - 936) / 936] x 100
Subtract the new number by the original number
558 - 936 = -378
-378 ÷ 936 = -0.40384615384615385
-0.40384615384615385 x 100 = -40.38%