-7.82% is the change from 665 to 613
Calculation steps:
[( 613 - 665 ) ÷ 665] x 100 = -7.82%
Formula
Percentage change = [(613 - 665) / 665] x 100
Subtract the new number by the original number
613 - 665 = -52
-52 ÷ 665 = -0.07819548872180451
-0.07819548872180451 x 100 = -7.82%