-37.29% is the change from 547 to 343
Calculation steps:
[( 343 - 547 ) ÷ 547] x 100 = -37.29%
Formula
Percentage change = [(343 - 547) / 547] x 100
Subtract the new number by the original number
343 - 547 = -204
-204 ÷ 547 = -0.37294332723948814
-0.37294332723948814 x 100 = -37.29%