17.5% is the change from 577 to 678
Calculation steps:
[( 678 - 577 ) ÷ 577] x 100 = 17.5%
Formula
Percentage change = [(678 - 577) / 577] x 100
Subtract the new number by the original number
678 - 577 = 101
101 ÷ 577 = 0.17504332755632582
0.17504332755632582 x 100 = 17.5%