256.72% is the change from 134 to 478
Calculation steps:
[( 478 - 134 ) ÷ 134] x 100 = 256.72%
Formula
Percentage change = [(478 - 134) / 134] x 100
Subtract the new number by the original number
478 - 134 = 344
344 ÷ 134 = 2.5671641791044775
2.5671641791044775 x 100 = 256.72%