66.36% is the change from 428 to 712
Calculation steps:
[( 712 - 428 ) ÷ 428] x 100 = 66.36%
Formula
Percentage change = [(712 - 428) / 428] x 100
Subtract the new number by the original number
712 - 428 = 284
284 ÷ 428 = 0.6635514018691588
0.6635514018691588 x 100 = 66.36%