-22.01% is the change from 577 to 450
Calculation steps:
[( 450 - 577 ) ÷ 577] x 100 = -22.01%
Formula
Percentage change = [(450 - 577) / 577] x 100
Subtract the new number by the original number
450 - 577 = -127
-127 ÷ 577 = -0.22010398613518198
-0.22010398613518198 x 100 = -22.01%