-54.5% is the change from 912 to 415
Calculation steps:
[( 415 - 912 ) ÷ 912] x 100 = -54.5%
Formula
Percentage change = [(415 - 912) / 912] x 100
Subtract the new number by the original number
415 - 912 = -497
-497 ÷ 912 = -0.5449561403508771
-0.5449561403508771 x 100 = -54.5%