-6.73% is the change from 936 to 873
Calculation steps:
[( 873 - 936 ) ÷ 936] x 100 = -6.73%
Formula
Percentage change = [(873 - 936) / 936] x 100
Subtract the new number by the original number
873 - 936 = -63
-63 ÷ 936 = -0.0673076923076923
-0.0673076923076923 x 100 = -6.73%