-7.21% is the change from 624 to 579
Calculation steps:
[( 579 - 624 ) ÷ 624] x 100 = -7.21%
Formula
Percentage change = [(579 - 624) / 624] x 100
Subtract the new number by the original number
579 - 624 = -45
-45 ÷ 624 = -0.07211538461538461
-0.07211538461538461 x 100 = -7.21%