-94.41% is the change from 912 to 51
Calculation steps:
[( 51 - 912 ) ÷ 912] x 100 = -94.41%
Formula
Percentage change = [(51 - 912) / 912] x 100
Subtract the new number by the original number
51 - 912 = -861
-861 ÷ 912 = -0.944078947368421
-0.944078947368421 x 100 = -94.41%