-47.95% is the change from 949 to 494
Calculation steps:
[( 494 - 949 ) ÷ 949] x 100 = -47.95%
Formula
Percentage change = [(494 - 949) / 949] x 100
Subtract the new number by the original number
494 - 949 = -455
-455 ÷ 949 = -0.4794520547945205
-0.4794520547945205 x 100 = -47.95%