-70.93% is the change from 258 to 75
Calculation steps:
[( 75 - 258 ) ÷ 258] x 100 = -70.93%
Formula
Percentage change = [(75 - 258) / 258] x 100
Subtract the new number by the original number
75 - 258 = -183
-183 ÷ 258 = -0.7093023255813954
-0.7093023255813954 x 100 = -70.93%