-74.2% is the change from 566 to 146
Calculation steps:
[( 146 - 566 ) ÷ 566] x 100 = -74.2%
Formula
Percentage change = [(146 - 566) / 566] x 100
Subtract the new number by the original number
146 - 566 = -420
-420 ÷ 566 = -0.7420494699646644
-0.7420494699646644 x 100 = -74.2%