-12.98% is the change from 971 to 845
Calculation steps:
[( 845 - 971 ) ÷ 971] x 100 = -12.98%
Formula
Percentage change = [(845 - 971) / 971] x 100
Subtract the new number by the original number
845 - 971 = -126
-126 ÷ 971 = -0.12976313079299692
-0.12976313079299692 x 100 = -12.98%