-20.35% is the change from 565 to 450
Calculation steps:
[( 450 - 565 ) ÷ 565] x 100 = -20.35%
Formula
Percentage change = [(450 - 565) / 565] x 100
Subtract the new number by the original number
450 - 565 = -115
-115 ÷ 565 = -0.20353982300884957
-0.20353982300884957 x 100 = -20.35%