-80.86% is the change from 768 to 147
Calculation steps:
[( 147 - 768 ) ÷ 768] x 100 = -80.86%
Formula
Percentage change = [(147 - 768) / 768] x 100
Subtract the new number by the original number
147 - 768 = -621
-621 ÷ 768 = -0.80859375
-0.80859375 x 100 = -80.86%