-34.62% is the change from 624 to 408
Calculation steps:
[( 408 - 624 ) ÷ 624] x 100 = -34.62%
Formula
Percentage change = [(408 - 624) / 624] x 100
Subtract the new number by the original number
408 - 624 = -216
-216 ÷ 624 = -0.34615384615384615
-0.34615384615384615 x 100 = -34.62%