-47.12% is the change from 624 to 330
Calculation steps:
[( 330 - 624 ) ÷ 624] x 100 = -47.12%
Formula
Percentage change = [(330 - 624) / 624] x 100
Subtract the new number by the original number
330 - 624 = -294
-294 ÷ 624 = -0.47115384615384615
-0.47115384615384615 x 100 = -47.12%