195.32% is the change from 171 to 505
Calculation steps:
[( 505 - 171 ) ÷ 171] x 100 = 195.32%
Formula
Percentage change = [(505 - 171) / 171] x 100
Subtract the new number by the original number
505 - 171 = 334
334 ÷ 171 = 1.9532163742690059
1.9532163742690059 x 100 = 195.32%