-6.3% is the change from 937 to 878
Calculation steps:
[( 878 - 937 ) ÷ 937] x 100 = -6.3%
Formula
Percentage change = [(878 - 937) / 937] x 100
Subtract the new number by the original number
878 - 937 = -59
-59 ÷ 937 = -0.06296691568836713
-0.06296691568836713 x 100 = -6.3%