48.36% is the change from 457 to 678
Calculation steps:
[( 678 - 457 ) ÷ 457] x 100 = 48.36%
Formula
Percentage change = [(678 - 457) / 457] x 100
Subtract the new number by the original number
678 - 457 = 221
221 ÷ 457 = 0.48358862144420134
0.48358862144420134 x 100 = 48.36%