134.43% is the change from 305 to 715
Calculation steps:
[( 715 - 305 ) ÷ 305] x 100 = 134.43%
Formula
Percentage change = [(715 - 305) / 305] x 100
Subtract the new number by the original number
715 - 305 = 410
410 ÷ 305 = 1.3442622950819672
1.3442622950819672 x 100 = 134.43%