-31.51% is the change from 949 to 650
Calculation steps:
[( 650 - 949 ) ÷ 949] x 100 = -31.51%
Formula
Percentage change = [(650 - 949) / 949] x 100
Subtract the new number by the original number
650 - 949 = -299
-299 ÷ 949 = -0.3150684931506849
-0.3150684931506849 x 100 = -31.51%