50.33% is the change from 457 to 687
Calculation steps:
[( 687 - 457 ) ÷ 457] x 100 = 50.33%
Formula
Percentage change = [(687 - 457) / 457] x 100
Subtract the new number by the original number
687 - 457 = 230
230 ÷ 457 = 0.5032822757111597
0.5032822757111597 x 100 = 50.33%