-90.71% is the change from 926 to 86
Calculation steps:
[( 86 - 926 ) ÷ 926] x 100 = -90.71%
Formula
Percentage change = [(86 - 926) / 926] x 100
Subtract the new number by the original number
86 - 926 = -840
-840 ÷ 926 = -0.9071274298056156
-0.9071274298056156 x 100 = -90.71%