126.23% is the change from 305 to 690
Calculation steps:
[( 690 - 305 ) ÷ 305] x 100 = 126.23%
Formula
Percentage change = [(690 - 305) / 305] x 100
Subtract the new number by the original number
690 - 305 = 385
385 ÷ 305 = 1.2622950819672132
1.2622950819672132 x 100 = 126.23%