101.22% is the change from 491 to 988
Calculation steps:
[( 988 - 491 ) ÷ 491] x 100 = 101.22%
Formula
Percentage change = [(988 - 491) / 491] x 100
Subtract the new number by the original number
988 - 491 = 497
497 ÷ 491 = 1.0122199592668024
1.0122199592668024 x 100 = 101.22%