-52.5% is the change from 360 to 171
Calculation steps:
[( 171 - 360 ) ÷ 360] x 100 = -52.5%
Formula
Percentage change = [(171 - 360) / 360] x 100
Subtract the new number by the original number
171 - 360 = -189
-189 ÷ 360 = -0.525
-0.525 x 100 = -52.5%