-7.75% is the change from 658 to 607
Calculation steps:
[( 607 - 658 ) ÷ 658] x 100 = -7.75%
Formula
Percentage change = [(607 - 658) / 658] x 100
Subtract the new number by the original number
607 - 658 = -51
-51 ÷ 658 = -0.07750759878419453
-0.07750759878419453 x 100 = -7.75%