445.45% is the change from 99 to 540
Calculation steps:
[( 540 - 99 ) ÷ 99] x 100 = 445.45%
Formula
Percentage change = [(540 - 99) / 99] x 100
Subtract the new number by the original number
540 - 99 = 441
441 ÷ 99 = 4.454545454545454
4.454545454545454 x 100 = 445.45%