-6.58% is the change from 547 to 511
Calculation steps:
[( 511 - 547 ) ÷ 547] x 100 = -6.58%
Formula
Percentage change = [(511 - 547) / 547] x 100
Subtract the new number by the original number
511 - 547 = -36
-36 ÷ 547 = -0.06581352833638025
-0.06581352833638025 x 100 = -6.58%