-84.8% is the change from 592 to 90
Calculation steps:
[( 90 - 592 ) ÷ 592] x 100 = -84.8%
Formula
Percentage change = [(90 - 592) / 592] x 100
Subtract the new number by the original number
90 - 592 = -502
-502 ÷ 592 = -0.847972972972973
-0.847972972972973 x 100 = -84.8%