-93.8% is the change from 822 to 51
Calculation steps:
[( 51 - 822 ) ÷ 822] x 100 = -93.8%
Formula
Percentage change = [(51 - 822) / 822] x 100
Subtract the new number by the original number
51 - 822 = -771
-771 ÷ 822 = -0.9379562043795621
-0.9379562043795621 x 100 = -93.8%