-38.92% is the change from 871 to 532
Calculation steps:
[( 532 - 871 ) ÷ 871] x 100 = -38.92%
Formula
Percentage change = [(532 - 871) / 871] x 100
Subtract the new number by the original number
532 - 871 = -339
-339 ÷ 871 = -0.38920780711825487
-0.38920780711825487 x 100 = -38.92%