88.6% is the change from 421 to 794
Calculation steps:
[( 794 - 421 ) ÷ 421] x 100 = 88.6%
Formula
Percentage change = [(794 - 421) / 421] x 100
Subtract the new number by the original number
794 - 421 = 373
373 ÷ 421 = 0.8859857482185273
0.8859857482185273 x 100 = 88.6%