-95.99% is the change from 449 to 18
Calculation steps:
[( 18 - 449 ) ÷ 449] x 100 = -95.99%
Formula
Percentage change = [(18 - 449) / 449] x 100
Subtract the new number by the original number
18 - 449 = -431
-431 ÷ 449 = -0.9599109131403119
-0.9599109131403119 x 100 = -95.99%