-83.09% is the change from 970 to 164
Calculation steps:
[( 164 - 970 ) ÷ 970] x 100 = -83.09%
Formula
Percentage change = [(164 - 970) / 970] x 100
Subtract the new number by the original number
164 - 970 = -806
-806 ÷ 970 = -0.8309278350515464
-0.8309278350515464 x 100 = -83.09%