-87.71% is the change from 822 to 101
Calculation steps:
[( 101 - 822 ) ÷ 822] x 100 = -87.71%
Formula
Percentage change = [(101 - 822) / 822] x 100
Subtract the new number by the original number
101 - 822 = -721
-721 ÷ 822 = -0.8771289537712895
-0.8771289537712895 x 100 = -87.71%