80.83% is the change from 240 to 434
Calculation steps:
[( 434 - 240 ) ÷ 240] x 100 = 80.83%
Formula
Percentage change = [(434 - 240) / 240] x 100
Subtract the new number by the original number
434 - 240 = 194
194 ÷ 240 = 0.8083333333333333
0.8083333333333333 x 100 = 80.83%