99.42% is the change from 171 to 341
Calculation steps:
[( 341 - 171 ) ÷ 171] x 100 = 99.42%
Formula
Percentage change = [(341 - 171) / 171] x 100
Subtract the new number by the original number
341 - 171 = 170
170 ÷ 171 = 0.9941520467836257
0.9941520467836257 x 100 = 99.42%