56.49% is the change from 439 to 687
Calculation steps:
[( 687 - 439 ) ÷ 439] x 100 = 56.49%
Formula
Percentage change = [(687 - 439) / 439] x 100
Subtract the new number by the original number
687 - 439 = 248
248 ÷ 439 = 0.5649202733485194
0.5649202733485194 x 100 = 56.49%