-9.12% is the change from 910 to 827
Calculation steps:
[( 827 - 910 ) ÷ 910] x 100 = -9.12%
Formula
Percentage change = [(827 - 910) / 910] x 100
Subtract the new number by the original number
827 - 910 = -83
-83 ÷ 910 = -0.0912087912087912
-0.0912087912087912 x 100 = -9.12%