-88.88% is the change from 917 to 102
Calculation steps:
[( 102 - 917 ) ÷ 917] x 100 = -88.88%
Formula
Percentage change = [(102 - 917) / 917] x 100
Subtract the new number by the original number
102 - 917 = -815
-815 ÷ 917 = -0.8887677208287895
-0.8887677208287895 x 100 = -88.88%