273.83% is the change from 107 to 400
Calculation steps:
[( 400 - 107 ) ÷ 107] x 100 = 273.83%
Formula
Percentage change = [(400 - 107) / 107] x 100
Subtract the new number by the original number
400 - 107 = 293
293 ÷ 107 = 2.7383177570093458
2.7383177570093458 x 100 = 273.83%