-4.1% is the change from 903 to 866
Calculation steps:
[( 866 - 903 ) ÷ 903] x 100 = -4.1%
Formula
Percentage change = [(866 - 903) / 903] x 100
Subtract the new number by the original number
866 - 903 = -37
-37 ÷ 903 = -0.04097452934662237
-0.04097452934662237 x 100 = -4.1%