18.69% is the change from 487 to 578
Calculation steps:
[( 578 - 487 ) ÷ 487] x 100 = 18.69%
Formula
Percentage change = [(578 - 487) / 487] x 100
Subtract the new number by the original number
578 - 487 = 91
91 ÷ 487 = 0.1868583162217659
0.1868583162217659 x 100 = 18.69%