-22.12% is the change from 624 to 486
Calculation steps:
[( 486 - 624 ) ÷ 624] x 100 = -22.12%
Formula
Percentage change = [(486 - 624) / 624] x 100
Subtract the new number by the original number
486 - 624 = -138
-138 ÷ 624 = -0.22115384615384615
-0.22115384615384615 x 100 = -22.12%