-79.93% is the change from 822 to 165
Calculation steps:
[( 165 - 822 ) ÷ 822] x 100 = -79.93%
Formula
Percentage change = [(165 - 822) / 822] x 100
Subtract the new number by the original number
165 - 822 = -657
-657 ÷ 822 = -0.7992700729927007
-0.7992700729927007 x 100 = -79.93%