-90.9% is the change from 901 to 82
Calculation steps:
[( 82 - 901 ) ÷ 901] x 100 = -90.9%
Formula
Percentage change = [(82 - 901) / 901] x 100
Subtract the new number by the original number
82 - 901 = -819
-819 ÷ 901 = -0.9089900110987791
-0.9089900110987791 x 100 = -90.9%