-12.7% is the change from 622 to 543
Calculation steps:
[( 543 - 622 ) ÷ 622] x 100 = -12.7%
Formula
Percentage change = [(543 - 622) / 622] x 100
Subtract the new number by the original number
543 - 622 = -79
-79 ÷ 622 = -0.1270096463022508
-0.1270096463022508 x 100 = -12.7%