-74.15% is the change from 561 to 145
Calculation steps:
[( 145 - 561 ) ÷ 561] x 100 = -74.15%
Formula
Percentage change = [(145 - 561) / 561] x 100
Subtract the new number by the original number
145 - 561 = -416
-416 ÷ 561 = -0.7415329768270945
-0.7415329768270945 x 100 = -74.15%