103.47% is the change from 490 to 997
Calculation steps:
[( 997 - 490 ) ÷ 490] x 100 = 103.47%
Formula
Percentage change = [(997 - 490) / 490] x 100
Subtract the new number by the original number
997 - 490 = 507
507 ÷ 490 = 1.0346938775510204
1.0346938775510204 x 100 = 103.47%