-60.73% is the change from 657 to 258
Calculation steps:
[( 258 - 657 ) ÷ 657] x 100 = -60.73%
Formula
Percentage change = [(258 - 657) / 657] x 100
Subtract the new number by the original number
258 - 657 = -399
-399 ÷ 657 = -0.6073059360730594
-0.6073059360730594 x 100 = -60.73%