22.9% is the change from 511 to 628
Calculation steps:
[( 628 - 511 ) ÷ 511] x 100 = 22.9%
Formula
Percentage change = [(628 - 511) / 511] x 100
Subtract the new number by the original number
628 - 511 = 117
117 ÷ 511 = 0.22896281800391388
0.22896281800391388 x 100 = 22.9%