1121.43% is the change from 28 to 342
Calculation steps:
[( 342 - 28 ) ÷ 28] x 100 = 1121.43%
Formula
Percentage change = [(342 - 28) / 28] x 100
Subtract the new number by the original number
342 - 28 = 314
314 ÷ 28 = 11.214285714285714
11.214285714285714 x 100 = 1121.43%