-96.49% is the change from 171 to 6
Calculation steps:
[( 6 - 171 ) ÷ 171] x 100 = -96.49%
Formula
Percentage change = [(6 - 171) / 171] x 100
Subtract the new number by the original number
6 - 171 = -165
-165 ÷ 171 = -0.9649122807017544
-0.9649122807017544 x 100 = -96.49%