7.58% is the change from 620 to 667
Calculation steps:
[( 667 - 620 ) ÷ 620] x 100 = 7.58%
Formula
Percentage change = [(667 - 620) / 620] x 100
Subtract the new number by the original number
667 - 620 = 47
47 ÷ 620 = 0.07580645161290323
0.07580645161290323 x 100 = 7.58%