-68.05% is the change from 770 to 246
Calculation steps:
[( 246 - 770 ) ÷ 770] x 100 = -68.05%
Formula
Percentage change = [(246 - 770) / 770] x 100
Subtract the new number by the original number
246 - 770 = -524
-524 ÷ 770 = -0.6805194805194805
-0.6805194805194805 x 100 = -68.05%