-35.1% is the change from 624 to 405
Calculation steps:
[( 405 - 624 ) ÷ 624] x 100 = -35.1%
Formula
Percentage change = [(405 - 624) / 624] x 100
Subtract the new number by the original number
405 - 624 = -219
-219 ÷ 624 = -0.35096153846153844
-0.35096153846153844 x 100 = -35.1%