-0.17% is the change from 606 to 605
Calculation steps:
[( 605 - 606 ) ÷ 606] x 100 = -0.17%
Formula
Percentage change = [(605 - 606) / 606] x 100
Subtract the new number by the original number
605 - 606 = -1
-1 ÷ 606 = -0.0016501650165016502
-0.0016501650165016502 x 100 = -0.17%