75.4% is the change from 496 to 870
Calculation steps:
[( 870 - 496 ) ÷ 496] x 100 = 75.4%
Formula
Percentage change = [(870 - 496) / 496] x 100
Subtract the new number by the original number
870 - 496 = 374
374 ÷ 496 = 0.7540322580645161
0.7540322580645161 x 100 = 75.4%