-95.54% is the change from 830 to 37
Calculation steps:
[( 37 - 830 ) ÷ 830] x 100 = -95.54%
Formula
Percentage change = [(37 - 830) / 830] x 100
Subtract the new number by the original number
37 - 830 = -793
-793 ÷ 830 = -0.9554216867469879
-0.9554216867469879 x 100 = -95.54%