53.06% is the change from 620 to 949
Calculation steps:
[( 949 - 620 ) ÷ 620] x 100 = 53.06%
Formula
Percentage change = [(949 - 620) / 620] x 100
Subtract the new number by the original number
949 - 620 = 329
329 ÷ 620 = 0.5306451612903226
0.5306451612903226 x 100 = 53.06%