-13.62% is the change from 624 to 539
Calculation steps:
[( 539 - 624 ) ÷ 624] x 100 = -13.62%
Formula
Percentage change = [(539 - 624) / 624] x 100
Subtract the new number by the original number
539 - 624 = -85
-85 ÷ 624 = -0.1362179487179487
-0.1362179487179487 x 100 = -13.62%