55.97% is the change from 427 to 666
Calculation steps:
[( 666 - 427 ) ÷ 427] x 100 = 55.97%
Formula
Percentage change = [(666 - 427) / 427] x 100
Subtract the new number by the original number
666 - 427 = 239
239 ÷ 427 = 0.5597189695550351
0.5597189695550351 x 100 = 55.97%