71.6% is the change from 500 to 858
Calculation steps:
[( 858 - 500 ) ÷ 500] x 100 = 71.6%
Formula
Percentage change = [(858 - 500) / 500] x 100
Subtract the new number by the original number
858 - 500 = 358
358 ÷ 500 = 0.716
0.716 x 100 = 71.6%
Example