30.94% is the change from 627 to 821
Calculation steps:
[( 821 - 627 ) ÷ 627] x 100 = 30.94%
Formula
Percentage change = [(821 - 627) / 627] x 100
Subtract the new number by the original number
821 - 627 = 194
194 ÷ 627 = 0.3094098883572568
0.3094098883572568 x 100 = 30.94%