-60.23% is the change from 171 to 68
Calculation steps:
[( 68 - 171 ) ÷ 171] x 100 = -60.23%
Formula
Percentage change = [(68 - 171) / 171] x 100
Subtract the new number by the original number
68 - 171 = -103
-103 ÷ 171 = -0.6023391812865497
-0.6023391812865497 x 100 = -60.23%