20.16% is the change from 516 to 620
Calculation steps:
[( 620 - 516 ) ÷ 516] x 100 = 20.16%
Formula
Percentage change = [(620 - 516) / 516] x 100
Subtract the new number by the original number
620 - 516 = 104
104 ÷ 516 = 0.20155038759689922
0.20155038759689922 x 100 = 20.16%