2890.48% is the change from 21 to 628
Calculation steps:
[( 628 - 21 ) ÷ 21] x 100 = 2890.48%
Formula
Percentage change = [(628 - 21) / 21] x 100
Subtract the new number by the original number
628 - 21 = 607
607 ÷ 21 = 28.904761904761905
28.904761904761905 x 100 = 2890.48%