2260.71% is the change from 28 to 661
Calculation steps:
[( 661 - 28 ) ÷ 28] x 100 = 2260.71%
Formula
Percentage change = [(661 - 28) / 28] x 100
Subtract the new number by the original number
661 - 28 = 633
633 ÷ 28 = 22.607142857142858
22.607142857142858 x 100 = 2260.71%