1128.57% is the change from 28 to 344
Calculation steps:
[( 344 - 28 ) ÷ 28] x 100 = 1128.57%
Formula
Percentage change = [(344 - 28) / 28] x 100
Subtract the new number by the original number
344 - 28 = 316
316 ÷ 28 = 11.285714285714286
11.285714285714286 x 100 = 1128.57%