230.8% is the change from 263 to 870
Calculation steps:
[( 870 - 263 ) ÷ 263] x 100 = 230.8%
Formula
Percentage change = [(870 - 263) / 263] x 100
Subtract the new number by the original number
870 - 263 = 607
607 ÷ 263 = 2.307984790874525
2.307984790874525 x 100 = 230.8%