-11.84% is the change from 971 to 856
Calculation steps:
[( 856 - 971 ) ÷ 971] x 100 = -11.84%
Formula
Percentage change = [(856 - 971) / 971] x 100
Subtract the new number by the original number
856 - 971 = -115
-115 ÷ 971 = -0.1184346035015448
-0.1184346035015448 x 100 = -11.84%