-45% is the change from 360 to 198
Calculation steps:
[( 198 - 360 ) ÷ 360] x 100 = -45%
Formula
Percentage change = [(198 - 360) / 360] x 100
Subtract the new number by the original number
198 - 360 = -162
-162 ÷ 360 = -0.45
-0.45 x 100 = -45%
Example