-93.8% is the change from 258 to 16
Calculation steps:
[( 16 - 258 ) ÷ 258] x 100 = -93.8%
Formula
Percentage change = [(16 - 258) / 258] x 100
Subtract the new number by the original number
16 - 258 = -242
-242 ÷ 258 = -0.937984496124031
-0.937984496124031 x 100 = -93.8%