-27.61% is the change from 949 to 687
Calculation steps:
[( 687 - 949 ) ÷ 949] x 100 = -27.61%
Formula
Percentage change = [(687 - 949) / 949] x 100
Subtract the new number by the original number
687 - 949 = -262
-262 ÷ 949 = -0.2760800842992624
-0.2760800842992624 x 100 = -27.61%