118.1% is the change from 315 to 687
Calculation steps:
[( 687 - 315 ) ÷ 315] x 100 = 118.1%
Formula
Percentage change = [(687 - 315) / 315] x 100
Subtract the new number by the original number
687 - 315 = 372
372 ÷ 315 = 1.180952380952381
1.180952380952381 x 100 = 118.1%