-78.75% is the change from 767 to 163
Calculation steps:
[( 163 - 767 ) ÷ 767] x 100 = -78.75%
Formula
Percentage change = [(163 - 767) / 767] x 100
Subtract the new number by the original number
163 - 767 = -604
-604 ÷ 767 = -0.78748370273794
-0.78748370273794 x 100 = -78.75%