-51.68% is the change from 803 to 388
Calculation steps:
[( 388 - 803 ) ÷ 803] x 100 = -51.68%
Formula
Percentage change = [(388 - 803) / 803] x 100
Subtract the new number by the original number
388 - 803 = -415
-415 ÷ 803 = -0.5168119551681195
-0.5168119551681195 x 100 = -51.68%