-6.48% is the change from 910 to 851
Calculation steps:
[( 851 - 910 ) ÷ 910] x 100 = -6.48%
Formula
Percentage change = [(851 - 910) / 910] x 100
Subtract the new number by the original number
851 - 910 = -59
-59 ÷ 910 = -0.06483516483516484
-0.06483516483516484 x 100 = -6.48%