-66.4% is the change from 622 to 209
Calculation steps:
[( 209 - 622 ) ÷ 622] x 100 = -66.4%
Formula
Percentage change = [(209 - 622) / 622] x 100
Subtract the new number by the original number
209 - 622 = -413
-413 ÷ 622 = -0.6639871382636656
-0.6639871382636656 x 100 = -66.4%