879.07% is the change from 43 to 421
Calculation steps:
[( 421 - 43 ) ÷ 43] x 100 = 879.07%
Formula
Percentage change = [(421 - 43) / 43] x 100
Subtract the new number by the original number
421 - 43 = 378
378 ÷ 43 = 8.790697674418604
8.790697674418604 x 100 = 879.07%