250% is the change from 116 to 406
Calculation steps:
[( 406 - 116 ) ÷ 116] x 100 = 250%
Formula
Percentage change = [(406 - 116) / 116] x 100
Subtract the new number by the original number
406 - 116 = 290
290 ÷ 116 = 2.5
2.5 x 100 = 250%
Example