100.2% is the change from 491 to 983
Calculation steps:
[( 983 - 491 ) ÷ 491] x 100 = 100.2%
Formula
Percentage change = [(983 - 491) / 491] x 100
Subtract the new number by the original number
983 - 491 = 492
492 ÷ 491 = 1.0020366598778003
1.0020366598778003 x 100 = 100.2%