186.25% is the change from 240 to 687
Calculation steps:
[( 687 - 240 ) ÷ 240] x 100 = 186.25%
Formula
Percentage change = [(687 - 240) / 240] x 100
Subtract the new number by the original number
687 - 240 = 447
447 ÷ 240 = 1.8625
1.8625 x 100 = 186.25%