86.21% is the change from 428 to 797
Calculation steps:
[( 797 - 428 ) ÷ 428] x 100 = 86.21%
Formula
Percentage change = [(797 - 428) / 428] x 100
Subtract the new number by the original number
797 - 428 = 369
369 ÷ 428 = 0.8621495327102804
0.8621495327102804 x 100 = 86.21%