-73.56% is the change from 590 to 156
Calculation steps:
[( 156 - 590 ) ÷ 590] x 100 = -73.56%
Formula
Percentage change = [(156 - 590) / 590] x 100
Subtract the new number by the original number
156 - 590 = -434
-434 ÷ 590 = -0.735593220338983
-0.735593220338983 x 100 = -73.56%