2476.19% is the change from 21 to 541
Calculation steps:
[( 541 - 21 ) ÷ 21] x 100 = 2476.19%
Formula
Percentage change = [(541 - 21) / 21] x 100
Subtract the new number by the original number
541 - 21 = 520
520 ÷ 21 = 24.761904761904763
24.761904761904763 x 100 = 2476.19%