120.19% is the change from 312 to 687
Calculation steps:
[( 687 - 312 ) ÷ 312] x 100 = 120.19%
Formula
Percentage change = [(687 - 312) / 312] x 100
Subtract the new number by the original number
687 - 312 = 375
375 ÷ 312 = 1.2019230769230769
1.2019230769230769 x 100 = 120.19%