100% is the change from 491 to 982
Calculation steps:
[( 982 - 491 ) ÷ 491] x 100 = 100%
Formula
Percentage change = [(982 - 491) / 491] x 100
Subtract the new number by the original number
982 - 491 = 491
491 ÷ 491 = 1
1 x 100 = 100%
Example