-48.37% is the change from 949 to 490
Calculation steps:
[( 490 - 949 ) ÷ 949] x 100 = -48.37%
Formula
Percentage change = [(490 - 949) / 949] x 100
Subtract the new number by the original number
490 - 949 = -459
-459 ÷ 949 = -0.48366701791359323
-0.48366701791359323 x 100 = -48.37%