197.78% is the change from 270 to 804
Calculation steps:
[( 804 - 270 ) ÷ 270] x 100 = 197.78%
Formula
Percentage change = [(804 - 270) / 270] x 100
Subtract the new number by the original number
804 - 270 = 534
534 ÷ 270 = 1.9777777777777779
1.9777777777777779 x 100 = 197.78%