80.48% is the change from 420 to 758
Calculation steps:
[( 758 - 420 ) ÷ 420] x 100 = 80.48%
Formula
Percentage change = [(758 - 420) / 420] x 100
Subtract the new number by the original number
758 - 420 = 338
338 ÷ 420 = 0.8047619047619048
0.8047619047619048 x 100 = 80.48%