-16.39% is the change from 830 to 694
Calculation steps:
[( 694 - 830 ) ÷ 830] x 100 = -16.39%
Formula
Percentage change = [(694 - 830) / 830] x 100
Subtract the new number by the original number
694 - 830 = -136
-136 ÷ 830 = -0.163855421686747
-0.163855421686747 x 100 = -16.39%