156.14% is the change from 171 to 438
Calculation steps:
[( 438 - 171 ) ÷ 171] x 100 = 156.14%
Formula
Percentage change = [(438 - 171) / 171] x 100
Subtract the new number by the original number
438 - 171 = 267
267 ÷ 171 = 1.5614035087719298
1.5614035087719298 x 100 = 156.14%