-6.07% is the change from 906 to 851
Calculation steps:
[( 851 - 906 ) ÷ 906] x 100 = -6.07%
Formula
Percentage change = [(851 - 906) / 906] x 100
Subtract the new number by the original number
851 - 906 = -55
-55 ÷ 906 = -0.06070640176600441
-0.06070640176600441 x 100 = -6.07%