-97.06% is the change from 68 to 2
Calculation steps:
[( 2 - 68 ) ÷ 68] x 100 = -97.06%
Formula
Percentage change = [(2 - 68) / 68] x 100
Subtract the new number by the original number
2 - 68 = -66
-66 ÷ 68 = -0.9705882352941176
-0.9705882352941176 x 100 = -97.06%