84.82% is the change from 336 to 621
Calculation steps:
[( 621 - 336 ) ÷ 336] x 100 = 84.82%
Formula
Percentage change = [(621 - 336) / 336] x 100
Subtract the new number by the original number
621 - 336 = 285
285 ÷ 336 = 0.8482142857142857
0.8482142857142857 x 100 = 84.82%