18.1% is the change from 547 to 646
Calculation steps:
[( 646 - 547 ) ÷ 547] x 100 = 18.1%
Formula
Percentage change = [(646 - 547) / 547] x 100
Subtract the new number by the original number
646 - 547 = 99
99 ÷ 547 = 0.1809872029250457
0.1809872029250457 x 100 = 18.1%