-75% is the change from 632 to 158
Calculation steps:
[( 158 - 632 ) ÷ 632] x 100 = -75%
Formula
Percentage change = [(158 - 632) / 632] x 100
Subtract the new number by the original number
158 - 632 = -474
-474 ÷ 632 = -0.75
-0.75 x 100 = -75%
Example