-17.79% is the change from 624 to 513
Calculation steps:
[( 513 - 624 ) ÷ 624] x 100 = -17.79%
Formula
Percentage change = [(513 - 624) / 624] x 100
Subtract the new number by the original number
513 - 624 = -111
-111 ÷ 624 = -0.1778846153846154
-0.1778846153846154 x 100 = -17.79%