-75.54% is the change from 597 to 146
Calculation steps:
[( 146 - 597 ) ÷ 597] x 100 = -75.54%
Formula
Percentage change = [(146 - 597) / 597] x 100
Subtract the new number by the original number
146 - 597 = -451
-451 ÷ 597 = -0.7554438860971524
-0.7554438860971524 x 100 = -75.54%