-51.72% is the change from 930 to 449
Calculation steps:
[( 449 - 930 ) ÷ 930] x 100 = -51.72%
Formula
Percentage change = [(449 - 930) / 930] x 100
Subtract the new number by the original number
449 - 930 = -481
-481 ÷ 930 = -0.5172043010752688
-0.5172043010752688 x 100 = -51.72%