-90.68% is the change from 901 to 84
Calculation steps:
[( 84 - 901 ) ÷ 901] x 100 = -90.68%
Formula
Percentage change = [(84 - 901) / 901] x 100
Subtract the new number by the original number
84 - 901 = -817
-817 ÷ 901 = -0.9067702552719201
-0.9067702552719201 x 100 = -90.68%