-22.37% is the change from 809 to 628
Calculation steps:
[( 628 - 809 ) ÷ 809] x 100 = -22.37%
Formula
Percentage change = [(628 - 809) / 809] x 100
Subtract the new number by the original number
628 - 809 = -181
-181 ÷ 809 = -0.22373300370828184
-0.22373300370828184 x 100 = -22.37%