-7.45% is the change from 658 to 609
Calculation steps:
[( 609 - 658 ) ÷ 658] x 100 = -7.45%
Formula
Percentage change = [(609 - 658) / 658] x 100
Subtract the new number by the original number
609 - 658 = -49
-49 ÷ 658 = -0.07446808510638298
-0.07446808510638298 x 100 = -7.45%