-80.42% is the change from 766 to 150
Calculation steps:
[( 150 - 766 ) ÷ 766] x 100 = -80.42%
Formula
Percentage change = [(150 - 766) / 766] x 100
Subtract the new number by the original number
150 - 766 = -616
-616 ÷ 766 = -0.804177545691906
-0.804177545691906 x 100 = -80.42%