-11.42% is the change from 937 to 830
Calculation steps:
[( 830 - 937 ) ÷ 937] x 100 = -11.42%
Formula
Percentage change = [(830 - 937) / 937] x 100
Subtract the new number by the original number
830 - 937 = -107
-107 ÷ 937 = -0.11419423692636073
-0.11419423692636073 x 100 = -11.42%