16.43% is the change from 554 to 645
Calculation steps:
[( 645 - 554 ) ÷ 554] x 100 = 16.43%
Formula
Percentage change = [(645 - 554) / 554] x 100
Subtract the new number by the original number
645 - 554 = 91
91 ÷ 554 = 0.16425992779783394
0.16425992779783394 x 100 = 16.43%