35.65% is the change from 620 to 841
Calculation steps:
[( 841 - 620 ) ÷ 620] x 100 = 35.65%
Formula
Percentage change = [(841 - 620) / 620] x 100
Subtract the new number by the original number
841 - 620 = 221
221 ÷ 620 = 0.3564516129032258
0.3564516129032258 x 100 = 35.65%