49.89% is the change from 457 to 685
Calculation steps:
[( 685 - 457 ) ÷ 457] x 100 = 49.89%
Formula
Percentage change = [(685 - 457) / 457] x 100
Subtract the new number by the original number
685 - 457 = 228
228 ÷ 457 = 0.4989059080962801
0.4989059080962801 x 100 = 49.89%