-66.28% is the change from 258 to 87
Calculation steps:
[( 87 - 258 ) ÷ 258] x 100 = -66.28%
Formula
Percentage change = [(87 - 258) / 258] x 100
Subtract the new number by the original number
87 - 258 = -171
-171 ÷ 258 = -0.6627906976744186
-0.6627906976744186 x 100 = -66.28%