1132.14% is the change from 28 to 345
Calculation steps:
[( 345 - 28 ) ÷ 28] x 100 = 1132.14%
Formula
Percentage change = [(345 - 28) / 28] x 100
Subtract the new number by the original number
345 - 28 = 317
317 ÷ 28 = 11.321428571428571
11.321428571428571 x 100 = 1132.14%