-1.65% is the change from 547 to 538
Calculation steps:
[( 538 - 547 ) ÷ 547] x 100 = -1.65%
Formula
Percentage change = [(538 - 547) / 547] x 100
Subtract the new number by the original number
538 - 547 = -9
-9 ÷ 547 = -0.016453382084095063
-0.016453382084095063 x 100 = -1.65%