18.55% is the change from 523 to 620
Calculation steps:
[( 620 - 523 ) ÷ 523] x 100 = 18.55%
Formula
Percentage change = [(620 - 523) / 523] x 100
Subtract the new number by the original number
620 - 523 = 97
97 ÷ 523 = 0.18546845124282982
0.18546845124282982 x 100 = 18.55%