-56.14% is the change from 912 to 400
Calculation steps:
[( 400 - 912 ) ÷ 912] x 100 = -56.14%
Formula
Percentage change = [(400 - 912) / 912] x 100
Subtract the new number by the original number
400 - 912 = -512
-512 ÷ 912 = -0.5614035087719298
-0.5614035087719298 x 100 = -56.14%