-90.83% is the change from 905 to 83
Calculation steps:
[( 83 - 905 ) ÷ 905] x 100 = -90.83%
Formula
Percentage change = [(83 - 905) / 905] x 100
Subtract the new number by the original number
83 - 905 = -822
-822 ÷ 905 = -0.9082872928176795
-0.9082872928176795 x 100 = -90.83%