-39.84% is the change from 871 to 524
Calculation steps:
[( 524 - 871 ) ÷ 871] x 100 = -39.84%
Formula
Percentage change = [(524 - 871) / 871] x 100
Subtract the new number by the original number
524 - 871 = -347
-347 ÷ 871 = -0.3983926521239954
-0.3983926521239954 x 100 = -39.84%