55.84% is the change from 428 to 667
Calculation steps:
[( 667 - 428 ) ÷ 428] x 100 = 55.84%
Formula
Percentage change = [(667 - 428) / 428] x 100
Subtract the new number by the original number
667 - 428 = 239
239 ÷ 428 = 0.5584112149532711
0.5584112149532711 x 100 = 55.84%