-81.06% is the change from 771 to 146
Calculation steps:
[( 146 - 771 ) ÷ 771] x 100 = -81.06%
Formula
Percentage change = [(146 - 771) / 771] x 100
Subtract the new number by the original number
146 - 771 = -625
-625 ÷ 771 = -0.8106355382619974
-0.8106355382619974 x 100 = -81.06%