-75.84% is the change from 770 to 186
Calculation steps:
[( 186 - 770 ) ÷ 770] x 100 = -75.84%
Formula
Percentage change = [(186 - 770) / 770] x 100
Subtract the new number by the original number
186 - 770 = -584
-584 ÷ 770 = -0.7584415584415585
-0.7584415584415585 x 100 = -75.84%