34% is the change from 600 to 804
Calculation steps:
[( 804 - 600 ) ÷ 600] x 100 = 34%
Formula
Percentage change = [(804 - 600) / 600] x 100
Subtract the new number by the original number
804 - 600 = 204
204 ÷ 600 = 0.34
0.34 x 100 = 34%
Example