-27.66% is the change from 582 to 421
Calculation steps:
[( 421 - 582 ) ÷ 582] x 100 = -27.66%
Formula
Percentage change = [(421 - 582) / 582] x 100
Subtract the new number by the original number
421 - 582 = -161
-161 ÷ 582 = -0.2766323024054983
-0.2766323024054983 x 100 = -27.66%