68.8% is the change from 407 to 687
Calculation steps:
[( 687 - 407 ) ÷ 407] x 100 = 68.8%
Formula
Percentage change = [(687 - 407) / 407] x 100
Subtract the new number by the original number
687 - 407 = 280
280 ÷ 407 = 0.687960687960688
0.687960687960688 x 100 = 68.8%