8320% is the change from 5 to 421
Calculation steps:
[( 421 - 5 ) ÷ 5] x 100 = 8320%
Formula
Percentage change = [(421 - 5) / 5] x 100
Subtract the new number by the original number
421 - 5 = 416
416 ÷ 5 = 83.2
83.2 x 100 = 8320%
Example