-83.81% is the change from 766 to 124
Calculation steps:
[( 124 - 766 ) ÷ 766] x 100 = -83.81%
Formula
Percentage change = [(124 - 766) / 766] x 100
Subtract the new number by the original number
124 - 766 = -642
-642 ÷ 766 = -0.8381201044386423
-0.8381201044386423 x 100 = -83.81%