-76.75% is the change from 770 to 179
Calculation steps:
[( 179 - 770 ) ÷ 770] x 100 = -76.75%
Formula
Percentage change = [(179 - 770) / 770] x 100
Subtract the new number by the original number
179 - 770 = -591
-591 ÷ 770 = -0.7675324675324675
-0.7675324675324675 x 100 = -76.75%