22.1% is the change from 620 to 757
Calculation steps:
[( 757 - 620 ) ÷ 620] x 100 = 22.1%
Formula
Percentage change = [(757 - 620) / 620] x 100
Subtract the new number by the original number
757 - 620 = 137
137 ÷ 620 = 0.22096774193548388
0.22096774193548388 x 100 = 22.1%