22.53% is the change from 506 to 620
Calculation steps:
[( 620 - 506 ) ÷ 506] x 100 = 22.53%
Formula
Percentage change = [(620 - 506) / 506] x 100
Subtract the new number by the original number
620 - 506 = 114
114 ÷ 506 = 0.22529644268774704
0.22529644268774704 x 100 = 22.53%