-9.8% is the change from 908 to 819
Calculation steps:
[( 819 - 908 ) ÷ 908] x 100 = -9.8%
Formula
Percentage change = [(819 - 908) / 908] x 100
Subtract the new number by the original number
819 - 908 = -89
-89 ÷ 908 = -0.09801762114537445
-0.09801762114537445 x 100 = -9.8%