55.16% is the change from 620 to 962
Calculation steps:
[( 962 - 620 ) ÷ 620] x 100 = 55.16%
Formula
Percentage change = [(962 - 620) / 620] x 100
Subtract the new number by the original number
962 - 620 = 342
342 ÷ 620 = 0.5516129032258065
0.5516129032258065 x 100 = 55.16%