-5.93% is the change from 910 to 856
Calculation steps:
[( 856 - 910 ) ÷ 910] x 100 = -5.93%
Formula
Percentage change = [(856 - 910) / 910] x 100
Subtract the new number by the original number
856 - 910 = -54
-54 ÷ 910 = -0.05934065934065934
-0.05934065934065934 x 100 = -5.93%