-79.81% is the change from 426 to 86
Calculation steps:
[( 86 - 426 ) ÷ 426] x 100 = -79.81%
Formula
Percentage change = [(86 - 426) / 426] x 100
Subtract the new number by the original number
86 - 426 = -340
-340 ÷ 426 = -0.7981220657276995
-0.7981220657276995 x 100 = -79.81%