-78.99% is the change from 771 to 162
Calculation steps:
[( 162 - 771 ) ÷ 771] x 100 = -78.99%
Formula
Percentage change = [(162 - 771) / 771] x 100
Subtract the new number by the original number
162 - 771 = -609
-609 ÷ 771 = -0.7898832684824902
-0.7898832684824902 x 100 = -78.99%