-73.06% is the change from 579 to 156
Calculation steps:
[( 156 - 579 ) ÷ 579] x 100 = -73.06%
Formula
Percentage change = [(156 - 579) / 579] x 100
Subtract the new number by the original number
156 - 579 = -423
-423 ÷ 579 = -0.7305699481865285
-0.7305699481865285 x 100 = -73.06%