-24.45% is the change from 822 to 621
Calculation steps:
[( 621 - 822 ) ÷ 822] x 100 = -24.45%
Formula
Percentage change = [(621 - 822) / 822] x 100
Subtract the new number by the original number
621 - 822 = -201
-201 ÷ 822 = -0.24452554744525548
-0.24452554744525548 x 100 = -24.45%