-51.63% is the change from 949 to 459
Calculation steps:
[( 459 - 949 ) ÷ 949] x 100 = -51.63%
Formula
Percentage change = [(459 - 949) / 949] x 100
Subtract the new number by the original number
459 - 949 = -490
-490 ÷ 949 = -0.5163329820864068
-0.5163329820864068 x 100 = -51.63%