79.86% is the change from 427 to 768
Calculation steps:
[( 768 - 427 ) ÷ 427] x 100 = 79.86%
Formula
Percentage change = [(768 - 427) / 427] x 100
Subtract the new number by the original number
768 - 427 = 341
341 ÷ 427 = 0.7985948477751756
0.7985948477751756 x 100 = 79.86%