1654.17% is the change from 24 to 421
Calculation steps:
[( 421 - 24 ) ÷ 24] x 100 = 1654.17%
Formula
Percentage change = [(421 - 24) / 24] x 100
Subtract the new number by the original number
421 - 24 = 397
397 ÷ 24 = 16.541666666666668
16.541666666666668 x 100 = 1654.17%