6.5% is the change from 400 to 426
Calculation steps:
[( 426 - 400 ) ÷ 400] x 100 = 6.5%
Formula
Percentage change = [(426 - 400) / 400] x 100
Subtract the new number by the original number
426 - 400 = 26
26 ÷ 400 = 0.065
0.065 x 100 = 6.5%
Example