-23.6% is the change from 822 to 628
Calculation steps:
[( 628 - 822 ) ÷ 822] x 100 = -23.6%
Formula
Percentage change = [(628 - 822) / 822] x 100
Subtract the new number by the original number
628 - 822 = -194
-194 ÷ 822 = -0.2360097323600973
-0.2360097323600973 x 100 = -23.6%