100.33% is the change from 305 to 611
Calculation steps:
[( 611 - 305 ) ÷ 305] x 100 = 100.33%
Formula
Percentage change = [(611 - 305) / 305] x 100
Subtract the new number by the original number
611 - 305 = 306
306 ÷ 305 = 1.0032786885245901
1.0032786885245901 x 100 = 100.33%