-81.51% is the change from 822 to 152
Calculation steps:
[( 152 - 822 ) ÷ 822] x 100 = -81.51%
Formula
Percentage change = [(152 - 822) / 822] x 100
Subtract the new number by the original number
152 - 822 = -670
-670 ÷ 822 = -0.8150851581508516
-0.8150851581508516 x 100 = -81.51%