117.39% is the change from 345 to 750
Calculation steps:
[( 750 - 345 ) ÷ 345] x 100 = 117.39%
Formula
Percentage change = [(750 - 345) / 345] x 100
Subtract the new number by the original number
750 - 345 = 405
405 ÷ 345 = 1.173913043478261
1.173913043478261 x 100 = 117.39%