-81.51% is the change from 768 to 142
Calculation steps:
[( 142 - 768 ) ÷ 768] x 100 = -81.51%
Formula
Percentage change = [(142 - 768) / 768] x 100
Subtract the new number by the original number
142 - 768 = -626
-626 ÷ 768 = -0.8151041666666666
-0.8151041666666666 x 100 = -81.51%