-62.39% is the change from 686 to 258
Calculation steps:
[( 258 - 686 ) ÷ 686] x 100 = -62.39%
Formula
Percentage change = [(258 - 686) / 686] x 100
Subtract the new number by the original number
258 - 686 = -428
-428 ÷ 686 = -0.6239067055393586
-0.6239067055393586 x 100 = -62.39%