85.71% is the change from 336 to 624
Calculation steps:
[( 624 - 336 ) ÷ 336] x 100 = 85.71%
Formula
Percentage change = [(624 - 336) / 336] x 100
Subtract the new number by the original number
624 - 336 = 288
288 ÷ 336 = 0.8571428571428571
0.8571428571428571 x 100 = 85.71%