-3.43% is the change from 903 to 872
Calculation steps:
[( 872 - 903 ) ÷ 903] x 100 = -3.43%
Formula
Percentage change = [(872 - 903) / 903] x 100
Subtract the new number by the original number
872 - 903 = -31
-31 ÷ 903 = -0.03433001107419712
-0.03433001107419712 x 100 = -3.43%