28900% is the change from 1 to 290
Calculation steps:
[( 290 - 1 ) ÷ 1] x 100 = 28900%
Formula
Percentage change = [(290 - 1) / 1] x 100
Subtract the new number by the original number
290 - 1 = 289
289 ÷ 1 = 289
289 x 100 = 28900%
Example