-33.21% is the change from 819 to 547
Calculation steps:
[( 547 - 819 ) ÷ 819] x 100 = -33.21%
Formula
Percentage change = [(547 - 819) / 819] x 100
Subtract the new number by the original number
547 - 819 = -272
-272 ÷ 819 = -0.3321123321123321
-0.3321123321123321 x 100 = -33.21%