-92.25% is the change from 258 to 20
Calculation steps:
[( 20 - 258 ) ÷ 258] x 100 = -92.25%
Formula
Percentage change = [(20 - 258) / 258] x 100
Subtract the new number by the original number
20 - 258 = -238
-238 ÷ 258 = -0.9224806201550387
-0.9224806201550387 x 100 = -92.25%