-91.17% is the change from 770 to 68
Calculation steps:
[( 68 - 770 ) ÷ 770] x 100 = -91.17%
Formula
Percentage change = [(68 - 770) / 770] x 100
Subtract the new number by the original number
68 - 770 = -702
-702 ÷ 770 = -0.9116883116883117
-0.9116883116883117 x 100 = -91.17%