-59.09% is the change from 418 to 171
Calculation steps:
[( 171 - 418 ) ÷ 418] x 100 = -59.09%
Formula
Percentage change = [(171 - 418) / 418] x 100
Subtract the new number by the original number
171 - 418 = -247
-247 ÷ 418 = -0.5909090909090909
-0.5909090909090909 x 100 = -59.09%