-32.96% is the change from 813 to 545
Calculation steps:
[( 545 - 813 ) ÷ 813] x 100 = -32.96%
Formula
Percentage change = [(545 - 813) / 813] x 100
Subtract the new number by the original number
545 - 813 = -268
-268 ÷ 813 = -0.3296432964329643
-0.3296432964329643 x 100 = -32.96%