117.46% is the change from 315 to 685
Calculation steps:
[( 685 - 315 ) ÷ 315] x 100 = 117.46%
Formula
Percentage change = [(685 - 315) / 315] x 100
Subtract the new number by the original number
685 - 315 = 370
370 ÷ 315 = 1.1746031746031746
1.1746031746031746 x 100 = 117.46%