-3.11% is the change from 547 to 530
Calculation steps:
[( 530 - 547 ) ÷ 547] x 100 = -3.11%
Formula
Percentage change = [(530 - 547) / 547] x 100
Subtract the new number by the original number
530 - 547 = -17
-17 ÷ 547 = -0.031078610603290677
-0.031078610603290677 x 100 = -3.11%