67.45% is the change from 427 to 715
Calculation steps:
[( 715 - 427 ) ÷ 427] x 100 = 67.45%
Formula
Percentage change = [(715 - 427) / 427] x 100
Subtract the new number by the original number
715 - 427 = 288
288 ÷ 427 = 0.6744730679156908
0.6744730679156908 x 100 = 67.45%