-73.8% is the change from 561 to 147
Calculation steps:
[( 147 - 561 ) ÷ 561] x 100 = -73.8%
Formula
Percentage change = [(147 - 561) / 561] x 100
Subtract the new number by the original number
147 - 561 = -414
-414 ÷ 561 = -0.7379679144385026
-0.7379679144385026 x 100 = -73.8%