-89.38% is the change from 913 to 97
Calculation steps:
[( 97 - 913 ) ÷ 913] x 100 = -89.38%
Formula
Percentage change = [(97 - 913) / 913] x 100
Subtract the new number by the original number
97 - 913 = -816
-816 ÷ 913 = -0.8937568455640745
-0.8937568455640745 x 100 = -89.38%