64.8% is the change from 250 to 412
Calculation steps:
[( 412 - 250 ) ÷ 250] x 100 = 64.8%
Formula
Percentage change = [(412 - 250) / 250] x 100
Subtract the new number by the original number
412 - 250 = 162
162 ÷ 250 = 0.648
0.648 x 100 = 64.8%
Example