-32.05% is the change from 936 to 636
Calculation steps:
[( 636 - 936 ) ÷ 936] x 100 = -32.05%
Formula
Percentage change = [(636 - 936) / 936] x 100
Subtract the new number by the original number
636 - 936 = -300
-300 ÷ 936 = -0.32051282051282054
-0.32051282051282054 x 100 = -32.05%