-30.56% is the change from 936 to 650
Calculation steps:
[( 650 - 936 ) ÷ 936] x 100 = -30.56%
Formula
Percentage change = [(650 - 936) / 936] x 100
Subtract the new number by the original number
650 - 936 = -286
-286 ÷ 936 = -0.3055555555555556
-0.3055555555555556 x 100 = -30.56%