-17.01% is the change from 970 to 805
Calculation steps:
[( 805 - 970 ) ÷ 970] x 100 = -17.01%
Formula
Percentage change = [(805 - 970) / 970] x 100
Subtract the new number by the original number
805 - 970 = -165
-165 ÷ 970 = -0.17010309278350516
-0.17010309278350516 x 100 = -17.01%