-53.21% is the change from 936 to 438
Calculation steps:
[( 438 - 936 ) ÷ 936] x 100 = -53.21%
Formula
Percentage change = [(438 - 936) / 936] x 100
Subtract the new number by the original number
438 - 936 = -498
-498 ÷ 936 = -0.532051282051282
-0.532051282051282 x 100 = -53.21%