-47.63% is the change from 949 to 497
Calculation steps:
[( 497 - 949 ) ÷ 949] x 100 = -47.63%
Formula
Percentage change = [(497 - 949) / 949] x 100
Subtract the new number by the original number
497 - 949 = -452
-452 ÷ 949 = -0.47629083245521603
-0.47629083245521603 x 100 = -47.63%