-0.2% is the change from 494 to 493
Calculation steps:
[( 493 - 494 ) ÷ 494] x 100 = -0.2%
Formula
Percentage change = [(493 - 494) / 494] x 100
Subtract the new number by the original number
493 - 494 = -1
-1 ÷ 494 = -0.0020242914979757085
-0.0020242914979757085 x 100 = -0.2%