5.97% is the change from 620 to 657
Calculation steps:
[( 657 - 620 ) ÷ 620] x 100 = 5.97%
Formula
Percentage change = [(657 - 620) / 620] x 100
Subtract the new number by the original number
657 - 620 = 37
37 ÷ 620 = 0.05967741935483871
0.05967741935483871 x 100 = 5.97%