-90.84% is the change from 906 to 83
Calculation steps:
[( 83 - 906 ) ÷ 906] x 100 = -90.84%
Formula
Percentage change = [(83 - 906) / 906] x 100
Subtract the new number by the original number
83 - 906 = -823
-823 ÷ 906 = -0.9083885209713024
-0.9083885209713024 x 100 = -90.84%