-85.76% is the change from 604 to 86
Calculation steps:
[( 86 - 604 ) ÷ 604] x 100 = -85.76%
Formula
Percentage change = [(86 - 604) / 604] x 100
Subtract the new number by the original number
86 - 604 = -518
-518 ÷ 604 = -0.8576158940397351
-0.8576158940397351 x 100 = -85.76%