187.14% is the change from 280 to 804
Calculation steps:
[( 804 - 280 ) ÷ 280] x 100 = 187.14%
Formula
Percentage change = [(804 - 280) / 280] x 100
Subtract the new number by the original number
804 - 280 = 524
524 ÷ 280 = 1.8714285714285714
1.8714285714285714 x 100 = 187.14%