-94.22% is the change from 830 to 48
Calculation steps:
[( 48 - 830 ) ÷ 830] x 100 = -94.22%
Formula
Percentage change = [(48 - 830) / 830] x 100
Subtract the new number by the original number
48 - 830 = -782
-782 ÷ 830 = -0.9421686746987952
-0.9421686746987952 x 100 = -94.22%