-47.7% is the change from 803 to 420
Calculation steps:
[( 420 - 803 ) ÷ 803] x 100 = -47.7%
Formula
Percentage change = [(420 - 803) / 803] x 100
Subtract the new number by the original number
420 - 803 = -383
-383 ÷ 803 = -0.47696139476961397
-0.47696139476961397 x 100 = -47.7%