-37.43% is the change from 171 to 107
Calculation steps:
[( 107 - 171 ) ÷ 171] x 100 = -37.43%
Formula
Percentage change = [(107 - 171) / 171] x 100
Subtract the new number by the original number
107 - 171 = -64
-64 ÷ 171 = -0.3742690058479532
-0.3742690058479532 x 100 = -37.43%