-32.8% is the change from 811 to 545
Calculation steps:
[( 545 - 811 ) ÷ 811] x 100 = -32.8%
Formula
Percentage change = [(545 - 811) / 811] x 100
Subtract the new number by the original number
545 - 811 = -266
-266 ÷ 811 = -0.3279901356350185
-0.3279901356350185 x 100 = -32.8%