-45.5% is the change from 912 to 497
Calculation steps:
[( 497 - 912 ) ÷ 912] x 100 = -45.5%
Formula
Percentage change = [(497 - 912) / 912] x 100
Subtract the new number by the original number
497 - 912 = -415
-415 ÷ 912 = -0.4550438596491228
-0.4550438596491228 x 100 = -45.5%