-66.71% is the change from 775 to 258
Calculation steps:
[( 258 - 775 ) ÷ 775] x 100 = -66.71%
Formula
Percentage change = [(258 - 775) / 775] x 100
Subtract the new number by the original number
258 - 775 = -517
-517 ÷ 775 = -0.6670967741935484
-0.6670967741935484 x 100 = -66.71%