-85.98% is the change from 592 to 83
Calculation steps:
[( 83 - 592 ) ÷ 592] x 100 = -85.98%
Formula
Percentage change = [(83 - 592) / 592] x 100
Subtract the new number by the original number
83 - 592 = -509
-509 ÷ 592 = -0.8597972972972973
-0.8597972972972973 x 100 = -85.98%