38.46% is the change from 624 to 864
Calculation steps:
[( 864 - 624 ) ÷ 624] x 100 = 38.46%
Formula
Percentage change = [(864 - 624) / 624] x 100
Subtract the new number by the original number
864 - 624 = 240
240 ÷ 624 = 0.38461538461538464
0.38461538461538464 x 100 = 38.46%