-12.81% is the change from 937 to 817
Calculation steps:
[( 817 - 937 ) ÷ 937] x 100 = -12.81%
Formula
Percentage change = [(817 - 937) / 937] x 100
Subtract the new number by the original number
817 - 937 = -120
-120 ÷ 937 = -0.128068303094984
-0.128068303094984 x 100 = -12.81%