-6.69% is the change from 912 to 851
Calculation steps:
[( 851 - 912 ) ÷ 912] x 100 = -6.69%
Formula
Percentage change = [(851 - 912) / 912] x 100
Subtract the new number by the original number
851 - 912 = -61
-61 ÷ 912 = -0.0668859649122807
-0.0668859649122807 x 100 = -6.69%