234.81% is the change from 270 to 904
Calculation steps:
[( 904 - 270 ) ÷ 270] x 100 = 234.81%
Formula
Percentage change = [(904 - 270) / 270] x 100
Subtract the new number by the original number
904 - 270 = 634
634 ÷ 270 = 2.348148148148148
2.348148148148148 x 100 = 234.81%