34.35% is the change from 620 to 833
Calculation steps:
[( 833 - 620 ) ÷ 620] x 100 = 34.35%
Formula
Percentage change = [(833 - 620) / 620] x 100
Subtract the new number by the original number
833 - 620 = 213
213 ÷ 620 = 0.3435483870967742
0.3435483870967742 x 100 = 34.35%