30.78% is the change from 627 to 820
Calculation steps:
[( 820 - 627 ) ÷ 627] x 100 = 30.78%
Formula
Percentage change = [(820 - 627) / 627] x 100
Subtract the new number by the original number
820 - 627 = 193
193 ÷ 627 = 0.3078149920255183
0.3078149920255183 x 100 = 30.78%