-1.28% is the change from 547 to 540
Calculation steps:
[( 540 - 547 ) ÷ 547] x 100 = -1.28%
Formula
Percentage change = [(540 - 547) / 547] x 100
Subtract the new number by the original number
540 - 547 = -7
-7 ÷ 547 = -0.012797074954296161
-0.012797074954296161 x 100 = -1.28%