-15.37% is the change from 820 to 694
Calculation steps:
[( 694 - 820 ) ÷ 820] x 100 = -15.37%
Formula
Percentage change = [(694 - 820) / 820] x 100
Subtract the new number by the original number
694 - 820 = -126
-126 ÷ 820 = -0.15365853658536585
-0.15365853658536585 x 100 = -15.37%