-50.83% is the change from 545 to 268
Calculation steps:
[( 268 - 545 ) ÷ 545] x 100 = -50.83%
Formula
Percentage change = [(268 - 545) / 545] x 100
Subtract the new number by the original number
268 - 545 = -277
-277 ÷ 545 = -0.5082568807339449
-0.5082568807339449 x 100 = -50.83%