-36.84% is the change from 866 to 547
Calculation steps:
[( 547 - 866 ) ÷ 866] x 100 = -36.84%
Formula
Percentage change = [(547 - 866) / 866] x 100
Subtract the new number by the original number
547 - 866 = -319
-319 ÷ 866 = -0.3683602771362587
-0.3683602771362587 x 100 = -36.84%