-57.78% is the change from 450 to 190
Calculation steps:
[( 190 - 450 ) ÷ 450] x 100 = -57.78%
Formula
Percentage change = [(190 - 450) / 450] x 100
Subtract the new number by the original number
190 - 450 = -260
-260 ÷ 450 = -0.5777777777777777
-0.5777777777777777 x 100 = -57.78%