-96.95% is the change from 917 to 28
Calculation steps:
[( 28 - 917 ) ÷ 917] x 100 = -96.95%
Formula
Percentage change = [(28 - 917) / 917] x 100
Subtract the new number by the original number
28 - 917 = -889
-889 ÷ 917 = -0.9694656488549618
-0.9694656488549618 x 100 = -96.95%