-90.79% is the change from 901 to 83
Calculation steps:
[( 83 - 901 ) ÷ 901] x 100 = -90.79%
Formula
Percentage change = [(83 - 901) / 901] x 100
Subtract the new number by the original number
83 - 901 = -818
-818 ÷ 901 = -0.9078801331853497
-0.9078801331853497 x 100 = -90.79%