177.78% is the change from 171 to 475
Calculation steps:
[( 475 - 171 ) ÷ 171] x 100 = 177.78%
Formula
Percentage change = [(475 - 171) / 171] x 100
Subtract the new number by the original number
475 - 171 = 304
304 ÷ 171 = 1.7777777777777777
1.7777777777777777 x 100 = 177.78%