-68.81% is the change from 917 to 286
Calculation steps:
[( 286 - 917 ) ÷ 917] x 100 = -68.81%
Formula
Percentage change = [(286 - 917) / 917] x 100
Subtract the new number by the original number
286 - 917 = -631
-631 ÷ 917 = -0.688113413304253
-0.688113413304253 x 100 = -68.81%