264.93% is the change from 134 to 489
Calculation steps:
[( 489 - 134 ) ÷ 134] x 100 = 264.93%
Formula
Percentage change = [(489 - 134) / 134] x 100
Subtract the new number by the original number
489 - 134 = 355
355 ÷ 134 = 2.6492537313432836
2.6492537313432836 x 100 = 264.93%