100.2% is the change from 489 to 979
Calculation steps:
[( 979 - 489 ) ÷ 489] x 100 = 100.2%
Formula
Percentage change = [(979 - 489) / 489] x 100
Subtract the new number by the original number
979 - 489 = 490
490 ÷ 489 = 1.0020449897750512
1.0020449897750512 x 100 = 100.2%