86.68% is the change from 428 to 799
Calculation steps:
[( 799 - 428 ) ÷ 428] x 100 = 86.68%
Formula
Percentage change = [(799 - 428) / 428] x 100
Subtract the new number by the original number
799 - 428 = 371
371 ÷ 428 = 0.866822429906542
0.866822429906542 x 100 = 86.68%