-93.75% is the change from 912 to 57
Calculation steps:
[( 57 - 912 ) ÷ 912] x 100 = -93.75%
Formula
Percentage change = [(57 - 912) / 912] x 100
Subtract the new number by the original number
57 - 912 = -855
-855 ÷ 912 = -0.9375
-0.9375 x 100 = -93.75%