-11.63% is the change from 929 to 821
Calculation steps:
[( 821 - 929 ) ÷ 929] x 100 = -11.63%
Formula
Percentage change = [(821 - 929) / 929] x 100
Subtract the new number by the original number
821 - 929 = -108
-108 ÷ 929 = -0.116254036598493
-0.116254036598493 x 100 = -11.63%