-43.34% is the change from 803 to 455
Calculation steps:
[( 455 - 803 ) ÷ 803] x 100 = -43.34%
Formula
Percentage change = [(455 - 803) / 803] x 100
Subtract the new number by the original number
455 - 803 = -348
-348 ÷ 803 = -0.43337484433374845
-0.43337484433374845 x 100 = -43.34%