-60.47% is the change from 172 to 68
Calculation steps:
[( 68 - 172 ) ÷ 172] x 100 = -60.47%
Formula
Percentage change = [(68 - 172) / 172] x 100
Subtract the new number by the original number
68 - 172 = -104
-104 ÷ 172 = -0.6046511627906976
-0.6046511627906976 x 100 = -60.47%