432.91% is the change from 79 to 421
Calculation steps:
[( 421 - 79 ) ÷ 79] x 100 = 432.91%
Formula
Percentage change = [(421 - 79) / 79] x 100
Subtract the new number by the original number
421 - 79 = 342
342 ÷ 79 = 4.329113924050633
4.329113924050633 x 100 = 432.91%