20.35% is the change from 521 to 627
Calculation steps:
[( 627 - 521 ) ÷ 521] x 100 = 20.35%
Formula
Percentage change = [(627 - 521) / 521] x 100
Subtract the new number by the original number
627 - 521 = 106
106 ÷ 521 = 0.2034548944337812
0.2034548944337812 x 100 = 20.35%