-77.78% is the change from 765 to 170
Calculation steps:
[( 170 - 765 ) ÷ 765] x 100 = -77.78%
Formula
Percentage change = [(170 - 765) / 765] x 100
Subtract the new number by the original number
170 - 765 = -595
-595 ÷ 765 = -0.7777777777777778
-0.7777777777777778 x 100 = -77.78%