-37.66% is the change from 871 to 543
Calculation steps:
[( 543 - 871 ) ÷ 871] x 100 = -37.66%
Formula
Percentage change = [(543 - 871) / 871] x 100
Subtract the new number by the original number
543 - 871 = -328
-328 ÷ 871 = -0.37657864523536166
-0.37657864523536166 x 100 = -37.66%