-34.81% is the change from 836 to 545
Calculation steps:
[( 545 - 836 ) ÷ 836] x 100 = -34.81%
Formula
Percentage change = [(545 - 836) / 836] x 100
Subtract the new number by the original number
545 - 836 = -291
-291 ÷ 836 = -0.3480861244019139
-0.3480861244019139 x 100 = -34.81%