2614.29% is the change from 21 to 570
Calculation steps:
[( 570 - 21 ) ÷ 21] x 100 = 2614.29%
Formula
Percentage change = [(570 - 21) / 21] x 100
Subtract the new number by the original number
570 - 21 = 549
549 ÷ 21 = 26.142857142857142
26.142857142857142 x 100 = 2614.29%