29.68% is the change from 620 to 804
Calculation steps:
[( 804 - 620 ) ÷ 620] x 100 = 29.68%
Formula
Percentage change = [(804 - 620) / 620] x 100
Subtract the new number by the original number
804 - 620 = 184
184 ÷ 620 = 0.2967741935483871
0.2967741935483871 x 100 = 29.68%