-51.75% is the change from 912 to 440
Calculation steps:
[( 440 - 912 ) ÷ 912] x 100 = -51.75%
Formula
Percentage change = [(440 - 912) / 912] x 100
Subtract the new number by the original number
440 - 912 = -472
-472 ÷ 912 = -0.5175438596491229
-0.5175438596491229 x 100 = -51.75%