-2.89% is the change from 450 to 437
Calculation steps:
[( 437 - 450 ) ÷ 450] x 100 = -2.89%
Formula
Percentage change = [(437 - 450) / 450] x 100
Subtract the new number by the original number
437 - 450 = -13
-13 ÷ 450 = -0.028888888888888888
-0.028888888888888888 x 100 = -2.89%