-45.08% is the change from 905 to 497
Calculation steps:
[( 497 - 905 ) ÷ 905] x 100 = -45.08%
Formula
Percentage change = [(497 - 905) / 905] x 100
Subtract the new number by the original number
497 - 905 = -408
-408 ÷ 905 = -0.450828729281768
-0.450828729281768 x 100 = -45.08%