80.66% is the change from 424 to 766
Calculation steps:
[( 766 - 424 ) ÷ 424] x 100 = 80.66%
Formula
Percentage change = [(766 - 424) / 424] x 100
Subtract the new number by the original number
766 - 424 = 342
342 ÷ 424 = 0.8066037735849056
0.8066037735849056 x 100 = 80.66%