86.4% is the change from 250 to 466
Calculation steps:
[( 466 - 250 ) ÷ 250] x 100 = 86.4%
Formula
Percentage change = [(466 - 250) / 250] x 100
Subtract the new number by the original number
466 - 250 = 216
216 ÷ 250 = 0.864
0.864 x 100 = 86.4%
Example