77.1% is the change from 428 to 758
Calculation steps:
[( 758 - 428 ) ÷ 428] x 100 = 77.1%
Formula
Percentage change = [(758 - 428) / 428] x 100
Subtract the new number by the original number
758 - 428 = 330
330 ÷ 428 = 0.7710280373831776
0.7710280373831776 x 100 = 77.1%