-68% is the change from 225 to 72
Calculation steps:
[( 72 - 225 ) ÷ 225] x 100 = -68%
Formula
Percentage change = [(72 - 225) / 225] x 100
Subtract the new number by the original number
72 - 225 = -153
-153 ÷ 225 = -0.68
-0.68 x 100 = -68%
Example