-15.79% is the change from 994 to 837
Calculation steps:
[( 837 - 994 ) ÷ 994] x 100 = -15.79%
Formula
Percentage change = [(837 - 994) / 994] x 100
Subtract the new number by the original number
837 - 994 = -157
-157 ÷ 994 = -0.1579476861167002
-0.1579476861167002 x 100 = -15.79%