-75% is the change from 936 to 234
Calculation steps:
[( 234 - 936 ) ÷ 936] x 100 = -75%
Formula
Percentage change = [(234 - 936) / 936] x 100
Subtract the new number by the original number
234 - 936 = -702
-702 ÷ 936 = -0.75
-0.75 x 100 = -75%
Example