269.4% is the change from 134 to 495
Calculation steps:
[( 495 - 134 ) ÷ 134] x 100 = 269.4%
Formula
Percentage change = [(495 - 134) / 134] x 100
Subtract the new number by the original number
495 - 134 = 361
361 ÷ 134 = 2.6940298507462686
2.6940298507462686 x 100 = 269.4%