914.29% is the change from 28 to 284
Calculation steps:
[( 284 - 28 ) ÷ 28] x 100 = 914.29%
Formula
Percentage change = [(284 - 28) / 28] x 100
Subtract the new number by the original number
284 - 28 = 256
256 ÷ 28 = 9.142857142857142
9.142857142857142 x 100 = 914.29%