64.08% is the change from 490 to 804
Calculation steps:
[( 804 - 490 ) ÷ 490] x 100 = 64.08%
Formula
Percentage change = [(804 - 490) / 490] x 100
Subtract the new number by the original number
804 - 490 = 314
314 ÷ 490 = 0.6408163265306123
0.6408163265306123 x 100 = 64.08%