-56.73% is the change from 624 to 270
Calculation steps:
[( 270 - 624 ) ÷ 624] x 100 = -56.73%
Formula
Percentage change = [(270 - 624) / 624] x 100
Subtract the new number by the original number
270 - 624 = -354
-354 ÷ 624 = -0.5673076923076923
-0.5673076923076923 x 100 = -56.73%