86.72% is the change from 241 to 450
Calculation steps:
[( 450 - 241 ) ÷ 241] x 100 = 86.72%
Formula
Percentage change = [(450 - 241) / 241] x 100
Subtract the new number by the original number
450 - 241 = 209
209 ÷ 241 = 0.8672199170124482
0.8672199170124482 x 100 = 86.72%