289% is the change from 100 to 389
Calculation steps:
[( 389 - 100 ) ÷ 100] x 100 = 289%
Formula
Percentage change = [(389 - 100) / 100] x 100
Subtract the new number by the original number
389 - 100 = 289
289 ÷ 100 = 2.89
2.89 x 100 = 289%
Example