-9.34% is the change from 910 to 825
Calculation steps:
[( 825 - 910 ) ÷ 910] x 100 = -9.34%
Formula
Percentage change = [(825 - 910) / 910] x 100
Subtract the new number by the original number
825 - 910 = -85
-85 ÷ 910 = -0.09340659340659341
-0.09340659340659341 x 100 = -9.34%