-8.31% is the change from 902 to 827
Calculation steps:
[( 827 - 902 ) ÷ 902] x 100 = -8.31%
Formula
Percentage change = [(827 - 902) / 902] x 100
Subtract the new number by the original number
827 - 902 = -75
-75 ÷ 902 = -0.08314855875831485
-0.08314855875831485 x 100 = -8.31%