-15.7% is the change from 949 to 800
Calculation steps:
[( 800 - 949 ) ÷ 949] x 100 = -15.7%
Formula
Percentage change = [(800 - 949) / 949] x 100
Subtract the new number by the original number
800 - 949 = -149
-149 ÷ 949 = -0.15700737618545837
-0.15700737618545837 x 100 = -15.7%