120.65% is the change from 310 to 684
Calculation steps:
[( 684 - 310 ) ÷ 310] x 100 = 120.65%
Formula
Percentage change = [(684 - 310) / 310] x 100
Subtract the new number by the original number
684 - 310 = 374
374 ÷ 310 = 1.206451612903226
1.206451612903226 x 100 = 120.65%