-18.47% is the change from 747 to 609
Calculation steps:
[( 609 - 747 ) ÷ 747] x 100 = -18.47%
Formula
Percentage change = [(609 - 747) / 747] x 100
Subtract the new number by the original number
609 - 747 = -138
-138 ÷ 747 = -0.18473895582329317
-0.18473895582329317 x 100 = -18.47%