50.66% is the change from 456 to 687
Calculation steps:
[( 687 - 456 ) ÷ 456] x 100 = 50.66%
Formula
Percentage change = [(687 - 456) / 456] x 100
Subtract the new number by the original number
687 - 456 = 231
231 ÷ 456 = 0.506578947368421
0.506578947368421 x 100 = 50.66%