-8.4% is the change from 655 to 600
Calculation steps:
[( 600 - 655 ) ÷ 655] x 100 = -8.4%
Formula
Percentage change = [(600 - 655) / 655] x 100
Subtract the new number by the original number
600 - 655 = -55
-55 ÷ 655 = -0.08396946564885496
-0.08396946564885496 x 100 = -8.4%