-45.4% is the change from 903 to 493
Calculation steps:
[( 493 - 903 ) ÷ 903] x 100 = -45.4%
Formula
Percentage change = [(493 - 903) / 903] x 100
Subtract the new number by the original number
493 - 903 = -410
-410 ÷ 903 = -0.4540420819490587
-0.4540420819490587 x 100 = -45.4%