-28.35% is the change from 903 to 647
Calculation steps:
[( 647 - 903 ) ÷ 903] x 100 = -28.35%
Formula
Percentage change = [(647 - 903) / 903] x 100
Subtract the new number by the original number
647 - 903 = -256
-256 ÷ 903 = -0.28349944629014395
-0.28349944629014395 x 100 = -28.35%