-82.49% is the change from 971 to 170
Calculation steps:
[( 170 - 971 ) ÷ 971] x 100 = -82.49%
Formula
Percentage change = [(170 - 971) / 971] x 100
Subtract the new number by the original number
170 - 971 = -801
-801 ÷ 971 = -0.8249227600411947
-0.8249227600411947 x 100 = -82.49%