100.2% is the change from 490 to 981
Calculation steps:
[( 981 - 490 ) ÷ 490] x 100 = 100.2%
Formula
Percentage change = [(981 - 490) / 490] x 100
Subtract the new number by the original number
981 - 490 = 491
491 ÷ 490 = 1.0020408163265306
1.0020408163265306 x 100 = 100.2%