-54.91% is the change from 936 to 422
Calculation steps:
[( 422 - 936 ) ÷ 936] x 100 = -54.91%
Formula
Percentage change = [(422 - 936) / 936] x 100
Subtract the new number by the original number
422 - 936 = -514
-514 ÷ 936 = -0.5491452991452992
-0.5491452991452992 x 100 = -54.91%