-56.48% is the change from 903 to 393
Calculation steps:
[( 393 - 903 ) ÷ 903] x 100 = -56.48%
Formula
Percentage change = [(393 - 903) / 903] x 100
Subtract the new number by the original number
393 - 903 = -510
-510 ÷ 903 = -0.5647840531561462
-0.5647840531561462 x 100 = -56.48%