-15.67% is the change from 970 to 818
Calculation steps:
[( 818 - 970 ) ÷ 970] x 100 = -15.67%
Formula
Percentage change = [(818 - 970) / 970] x 100
Subtract the new number by the original number
818 - 970 = -152
-152 ÷ 970 = -0.15670103092783505
-0.15670103092783505 x 100 = -15.67%