-89.66% is the change from 938 to 97
Calculation steps:
[( 97 - 938 ) ÷ 938] x 100 = -89.66%
Formula
Percentage change = [(97 - 938) / 938] x 100
Subtract the new number by the original number
97 - 938 = -841
-841 ÷ 938 = -0.896588486140725
-0.896588486140725 x 100 = -89.66%