478% is the change from 50 to 289
Calculation steps:
[( 289 - 50 ) ÷ 50] x 100 = 478%
Formula
Percentage change = [(289 - 50) / 50] x 100
Subtract the new number by the original number
289 - 50 = 239
239 ÷ 50 = 4.78
4.78 x 100 = 478%
Example