-55.14% is the change from 622 to 279
Calculation steps:
[( 279 - 622 ) ÷ 622] x 100 = -55.14%
Formula
Percentage change = [(279 - 622) / 622] x 100
Subtract the new number by the original number
279 - 622 = -343
-343 ÷ 622 = -0.5514469453376206
-0.5514469453376206 x 100 = -55.14%