-32.98% is the change from 949 to 636
Calculation steps:
[( 636 - 949 ) ÷ 949] x 100 = -32.98%
Formula
Percentage change = [(636 - 949) / 949] x 100
Subtract the new number by the original number
636 - 949 = -313
-313 ÷ 949 = -0.32982086406743943
-0.32982086406743943 x 100 = -32.98%