171.5% is the change from 200 to 543
Calculation steps:
[( 543 - 200 ) ÷ 200] x 100 = 171.5%
Formula
Percentage change = [(543 - 200) / 200] x 100
Subtract the new number by the original number
543 - 200 = 343
343 ÷ 200 = 1.715
1.715 x 100 = 171.5%
Example