129.81% is the change from 312 to 717
Calculation steps:
[( 717 - 312 ) ÷ 312] x 100 = 129.81%
Formula
Percentage change = [(717 - 312) / 312] x 100
Subtract the new number by the original number
717 - 312 = 405
405 ÷ 312 = 1.2980769230769231
1.2980769230769231 x 100 = 129.81%