-82.66% is the change from 496 to 86
Calculation steps:
[( 86 - 496 ) ÷ 496] x 100 = -82.66%
Formula
Percentage change = [(86 - 496) / 496] x 100
Subtract the new number by the original number
86 - 496 = -410
-410 ÷ 496 = -0.8266129032258065
-0.8266129032258065 x 100 = -82.66%