103.29% is the change from 487 to 990
Calculation steps:
[( 990 - 487 ) ÷ 487] x 100 = 103.29%
Formula
Percentage change = [(990 - 487) / 487] x 100
Subtract the new number by the original number
990 - 487 = 503
503 ÷ 487 = 1.0328542094455853
1.0328542094455853 x 100 = 103.29%