-10.2% is the change from 902 to 810
Calculation steps:
[( 810 - 902 ) ÷ 902] x 100 = -10.2%
Formula
Percentage change = [(810 - 902) / 902] x 100
Subtract the new number by the original number
810 - 902 = -92
-92 ÷ 902 = -0.10199556541019955
-0.10199556541019955 x 100 = -10.2%