-51.01% is the change from 545 to 267
Calculation steps:
[( 267 - 545 ) ÷ 545] x 100 = -51.01%
Formula
Percentage change = [(267 - 545) / 545] x 100
Subtract the new number by the original number
267 - 545 = -278
-278 ÷ 545 = -0.5100917431192661
-0.5100917431192661 x 100 = -51.01%