64.4% is the change from 250 to 411
Calculation steps:
[( 411 - 250 ) ÷ 250] x 100 = 64.4%
Formula
Percentage change = [(411 - 250) / 250] x 100
Subtract the new number by the original number
411 - 250 = 161
161 ÷ 250 = 0.644
0.644 x 100 = 64.4%
Example