0.23% is the change from 427 to 428
Calculation steps:
[( 428 - 427 ) ÷ 427] x 100 = 0.23%
Formula
Percentage change = [(428 - 427) / 427] x 100
Subtract the new number by the original number
428 - 427 = 1
1 ÷ 427 = 0.00234192037470726
0.00234192037470726 x 100 = 0.23%