84.97% is the change from 499 to 923
Calculation steps:
[( 923 - 499 ) ÷ 499] x 100 = 84.97%
Formula
Percentage change = [(923 - 499) / 499] x 100
Subtract the new number by the original number
923 - 499 = 424
424 ÷ 499 = 0.8496993987975952
0.8496993987975952 x 100 = 84.97%