-1.19% is the change from 921 to 910
Calculation steps:
[( 910 - 921 ) ÷ 921] x 100 = -1.19%
Formula
Percentage change = [(910 - 921) / 921] x 100
Subtract the new number by the original number
910 - 921 = -11
-11 ÷ 921 = -0.011943539630836048
-0.011943539630836048 x 100 = -1.19%