-98.44% is the change from 770 to 12
Calculation steps:
[( 12 - 770 ) ÷ 770] x 100 = -98.44%
Formula
Percentage change = [(12 - 770) / 770] x 100
Subtract the new number by the original number
12 - 770 = -758
-758 ÷ 770 = -0.9844155844155844
-0.9844155844155844 x 100 = -98.44%