-6.39% is the change from 908 to 850
Calculation steps:
[( 850 - 908 ) ÷ 908] x 100 = -6.39%
Formula
Percentage change = [(850 - 908) / 908] x 100
Subtract the new number by the original number
850 - 908 = -58
-58 ÷ 908 = -0.06387665198237885
-0.06387665198237885 x 100 = -6.39%