49.67% is the change from 457 to 684
Calculation steps:
[( 684 - 457 ) ÷ 457] x 100 = 49.67%
Formula
Percentage change = [(684 - 457) / 457] x 100
Subtract the new number by the original number
684 - 457 = 227
227 ÷ 457 = 0.49671772428884026
0.49671772428884026 x 100 = 49.67%