2150% is the change from 24 to 540
Calculation steps:
[( 540 - 24 ) ÷ 24] x 100 = 2150%
Formula
Percentage change = [(540 - 24) / 24] x 100
Subtract the new number by the original number
540 - 24 = 516
516 ÷ 24 = 21.5
21.5 x 100 = 2150%
Example