30.25% is the change from 628 to 818
Calculation steps:
[( 818 - 628 ) ÷ 628] x 100 = 30.25%
Formula
Percentage change = [(818 - 628) / 628] x 100
Subtract the new number by the original number
818 - 628 = 190
190 ÷ 628 = 0.30254777070063693
0.30254777070063693 x 100 = 30.25%