-84.62% is the change from 559 to 86
Calculation steps:
[( 86 - 559 ) ÷ 559] x 100 = -84.62%
Formula
Percentage change = [(86 - 559) / 559] x 100
Subtract the new number by the original number
86 - 559 = -473
-473 ÷ 559 = -0.8461538461538461
-0.8461538461538461 x 100 = -84.62%