13.55% is the change from 620 to 704
Calculation steps:
[( 704 - 620 ) ÷ 620] x 100 = 13.55%
Formula
Percentage change = [(704 - 620) / 620] x 100
Subtract the new number by the original number
704 - 620 = 84
84 ÷ 620 = 0.13548387096774195
0.13548387096774195 x 100 = 13.55%