-35.54% is the change from 543 to 350
Calculation steps:
[( 350 - 543 ) ÷ 543] x 100 = -35.54%
Formula
Percentage change = [(350 - 543) / 543] x 100
Subtract the new number by the original number
350 - 543 = -193
-193 ÷ 543 = -0.35543278084714547
-0.35543278084714547 x 100 = -35.54%