-5.78% is the change from 917 to 864
Calculation steps:
[( 864 - 917 ) ÷ 917] x 100 = -5.78%
Formula
Percentage change = [(864 - 917) / 917] x 100
Subtract the new number by the original number
864 - 917 = -53
-53 ÷ 917 = -0.05779716466739367
-0.05779716466739367 x 100 = -5.78%