-87.42% is the change from 779 to 98
Calculation steps:
[( 98 - 779 ) ÷ 779] x 100 = -87.42%
Formula
Percentage change = [(98 - 779) / 779] x 100
Subtract the new number by the original number
98 - 779 = -681
-681 ÷ 779 = -0.8741976893453145
-0.8741976893453145 x 100 = -87.42%