60.6% is the change from 500 to 803
Calculation steps:
[( 803 - 500 ) ÷ 500] x 100 = 60.6%
Formula
Percentage change = [(803 - 500) / 500] x 100
Subtract the new number by the original number
803 - 500 = 303
303 ÷ 500 = 0.606
0.606 x 100 = 60.6%
Example