-93.92% is the change from 822 to 50
Calculation steps:
[( 50 - 822 ) ÷ 822] x 100 = -93.92%
Formula
Percentage change = [(50 - 822) / 822] x 100
Subtract the new number by the original number
50 - 822 = -772
-772 ÷ 822 = -0.9391727493917275
-0.9391727493917275 x 100 = -93.92%