199.42% is the change from 171 to 512
Calculation steps:
[( 512 - 171 ) ÷ 171] x 100 = 199.42%
Formula
Percentage change = [(512 - 171) / 171] x 100
Subtract the new number by the original number
512 - 171 = 341
341 ÷ 171 = 1.9941520467836258
1.9941520467836258 x 100 = 199.42%