269.77% is the change from 129 to 477
Calculation steps:
[( 477 - 129 ) ÷ 129] x 100 = 269.77%
Formula
Percentage change = [(477 - 129) / 129] x 100
Subtract the new number by the original number
477 - 129 = 348
348 ÷ 129 = 2.697674418604651
2.697674418604651 x 100 = 269.77%