-77.1% is the change from 594 to 136
Calculation steps:
[( 136 - 594 ) ÷ 594] x 100 = -77.1%
Formula
Percentage change = [(136 - 594) / 594] x 100
Subtract the new number by the original number
136 - 594 = -458
-458 ÷ 594 = -0.7710437710437711
-0.7710437710437711 x 100 = -77.1%