98.8% is the change from 500 to 994
Calculation steps:
[( 994 - 500 ) ÷ 500] x 100 = 98.8%
Formula
Percentage change = [(994 - 500) / 500] x 100
Subtract the new number by the original number
994 - 500 = 494
494 ÷ 500 = 0.988
0.988 x 100 = 98.8%
Example