219.4% is the change from 134 to 428
Calculation steps:
[( 428 - 134 ) ÷ 134] x 100 = 219.4%
Formula
Percentage change = [(428 - 134) / 134] x 100
Subtract the new number by the original number
428 - 134 = 294
294 ÷ 134 = 2.1940298507462686
2.1940298507462686 x 100 = 219.4%