-90.67% is the change from 922 to 86
Calculation steps:
[( 86 - 922 ) ÷ 922] x 100 = -90.67%
Formula
Percentage change = [(86 - 922) / 922] x 100
Subtract the new number by the original number
86 - 922 = -836
-836 ÷ 922 = -0.9067245119305857
-0.9067245119305857 x 100 = -90.67%