-64.83% is the change from 543 to 191
Calculation steps:
[( 191 - 543 ) ÷ 543] x 100 = -64.83%
Formula
Percentage change = [(191 - 543) / 543] x 100
Subtract the new number by the original number
191 - 543 = -352
-352 ÷ 543 = -0.6482504604051565
-0.6482504604051565 x 100 = -64.83%