2214.29% is the change from 28 to 648
Calculation steps:
[( 648 - 28 ) ÷ 28] x 100 = 2214.29%
Formula
Percentage change = [(648 - 28) / 28] x 100
Subtract the new number by the original number
648 - 28 = 620
620 ÷ 28 = 22.142857142857142
22.142857142857142 x 100 = 2214.29%