-51.84% is the change from 814 to 392
Calculation steps:
[( 392 - 814 ) ÷ 814] x 100 = -51.84%
Formula
Percentage change = [(392 - 814) / 814] x 100
Subtract the new number by the original number
392 - 814 = -422
-422 ÷ 814 = -0.5184275184275184
-0.5184275184275184 x 100 = -51.84%