-49.38% is the change from 889 to 450
Calculation steps:
[( 450 - 889 ) ÷ 889] x 100 = -49.38%
Formula
Percentage change = [(450 - 889) / 889] x 100
Subtract the new number by the original number
450 - 889 = -439
-439 ÷ 889 = -0.4938132733408324
-0.4938132733408324 x 100 = -49.38%