-6.15% is the change from 488 to 458
Calculation steps:
[( 458 - 488 ) ÷ 488] x 100 = -6.15%
Formula
Percentage change = [(458 - 488) / 488] x 100
Subtract the new number by the original number
458 - 488 = -30
-30 ÷ 488 = -0.06147540983606557
-0.06147540983606557 x 100 = -6.15%