-45.63% is the change from 903 to 491
Calculation steps:
[( 491 - 903 ) ÷ 903] x 100 = -45.63%
Formula
Percentage change = [(491 - 903) / 903] x 100
Subtract the new number by the original number
491 - 903 = -412
-412 ÷ 903 = -0.45625692137320045
-0.45625692137320045 x 100 = -45.63%