-1.92% is the change from 885 to 868
Calculation steps:
[( 868 - 885 ) ÷ 885] x 100 = -1.92%
Formula
Percentage change = [(868 - 885) / 885] x 100
Subtract the new number by the original number
868 - 885 = -17
-17 ÷ 885 = -0.0192090395480226
-0.0192090395480226 x 100 = -1.92%