26.75% is the change from 456 to 578
Calculation steps:
[( 578 - 456 ) ÷ 456] x 100 = 26.75%
Formula
Percentage change = [(578 - 456) / 456] x 100
Subtract the new number by the original number
578 - 456 = 122
122 ÷ 456 = 0.2675438596491228
0.2675438596491228 x 100 = 26.75%