104.3% is the change from 488 to 997
Calculation steps:
[( 997 - 488 ) ÷ 488] x 100 = 104.3%
Formula
Percentage change = [(997 - 488) / 488] x 100
Subtract the new number by the original number
997 - 488 = 509
509 ÷ 488 = 1.0430327868852458
1.0430327868852458 x 100 = 104.3%