-40.28% is the change from 360 to 215
Calculation steps:
[( 215 - 360 ) ÷ 360] x 100 = -40.28%
Formula
Percentage change = [(215 - 360) / 360] x 100
Subtract the new number by the original number
215 - 360 = -145
-145 ÷ 360 = -0.4027777777777778
-0.4027777777777778 x 100 = -40.28%