-34.97% is the change from 835 to 543
Calculation steps:
[( 543 - 835 ) ÷ 835] x 100 = -34.97%
Formula
Percentage change = [(543 - 835) / 835] x 100
Subtract the new number by the original number
543 - 835 = -292
-292 ÷ 835 = -0.34970059880239523
-0.34970059880239523 x 100 = -34.97%