107.25% is the change from 345 to 715
Calculation steps:
[( 715 - 345 ) ÷ 345] x 100 = 107.25%
Formula
Percentage change = [(715 - 345) / 345] x 100
Subtract the new number by the original number
715 - 345 = 370
370 ÷ 345 = 1.0724637681159421
1.0724637681159421 x 100 = 107.25%