1407.14% is the change from 28 to 422
Calculation steps:
[( 422 - 28 ) ÷ 28] x 100 = 1407.14%
Formula
Percentage change = [(422 - 28) / 28] x 100
Subtract the new number by the original number
422 - 28 = 394
394 ÷ 28 = 14.071428571428571
14.071428571428571 x 100 = 1407.14%