-37.5% is the change from 360 to 225
Calculation steps:
[( 225 - 360 ) ÷ 360] x 100 = -37.5%
Formula
Percentage change = [(225 - 360) / 360] x 100
Subtract the new number by the original number
225 - 360 = -135
-135 ÷ 360 = -0.375
-0.375 x 100 = -37.5%