76.83% is the change from 492 to 870
Calculation steps:
[( 870 - 492 ) ÷ 492] x 100 = 76.83%
Formula
Percentage change = [(870 - 492) / 492] x 100
Subtract the new number by the original number
870 - 492 = 378
378 ÷ 492 = 0.7682926829268293
0.7682926829268293 x 100 = 76.83%