-8.08% is the change from 903 to 830
Calculation steps:
[( 830 - 903 ) ÷ 903] x 100 = -8.08%
Formula
Percentage change = [(830 - 903) / 903] x 100
Subtract the new number by the original number
830 - 903 = -73
-73 ÷ 903 = -0.08084163898117387
-0.08084163898117387 x 100 = -8.08%