-89.56% is the change from 939 to 98
Calculation steps:
[( 98 - 939 ) ÷ 939] x 100 = -89.56%
Formula
Percentage change = [(98 - 939) / 939] x 100
Subtract the new number by the original number
98 - 939 = -841
-841 ÷ 939 = -0.8956336528221512
-0.8956336528221512 x 100 = -89.56%