-81.75% is the change from 822 to 150
Calculation steps:
[( 150 - 822 ) ÷ 822] x 100 = -81.75%
Formula
Percentage change = [(150 - 822) / 822] x 100
Subtract the new number by the original number
150 - 822 = -672
-672 ÷ 822 = -0.8175182481751825
-0.8175182481751825 x 100 = -81.75%