-59.66% is the change from 580 to 234
Calculation steps:
[( 234 - 580 ) ÷ 580] x 100 = -59.66%
Formula
Percentage change = [(234 - 580) / 580] x 100
Subtract the new number by the original number
234 - 580 = -346
-346 ÷ 580 = -0.596551724137931
-0.596551724137931 x 100 = -59.66%