-37.2% is the change from 871 to 547
Calculation steps:
[( 547 - 871 ) ÷ 871] x 100 = -37.2%
Formula
Percentage change = [(547 - 871) / 871] x 100
Subtract the new number by the original number
547 - 871 = -324
-324 ÷ 871 = -0.3719862227324914
-0.3719862227324914 x 100 = -37.2%