1425% is the change from 28 to 427
Calculation steps:
[( 427 - 28 ) ÷ 28] x 100 = 1425%
Formula
Percentage change = [(427 - 28) / 28] x 100
Subtract the new number by the original number
427 - 28 = 399
399 ÷ 28 = 14.25
14.25 x 100 = 1425%
Example