6.54% is the change from 428 to 456
Calculation steps:
[( 456 - 428 ) ÷ 428] x 100 = 6.54%
Formula
Percentage change = [(456 - 428) / 428] x 100
Subtract the new number by the original number
456 - 428 = 28
28 ÷ 428 = 0.06542056074766354
0.06542056074766354 x 100 = 6.54%