-93.09% is the change from 912 to 63
Calculation steps:
[( 63 - 912 ) ÷ 912] x 100 = -93.09%
Formula
Percentage change = [(63 - 912) / 912] x 100
Subtract the new number by the original number
63 - 912 = -849
-849 ÷ 912 = -0.930921052631579
-0.930921052631579 x 100 = -93.09%