33.49% is the change from 621 to 829
Calculation steps:
[( 829 - 621 ) ÷ 621] x 100 = 33.49%
Formula
Percentage change = [(829 - 621) / 621] x 100
Subtract the new number by the original number
829 - 621 = 208
208 ÷ 621 = 0.33494363929146537
0.33494363929146537 x 100 = 33.49%