700% is the change from 28 to 224
Calculation steps:
[( 224 - 28 ) ÷ 28] x 100 = 700%
Formula
Percentage change = [(224 - 28) / 28] x 100
Subtract the new number by the original number
224 - 28 = 196
196 ÷ 28 = 7
7 x 100 = 700%
Example