-50.64% is the change from 543 to 268
Calculation steps:
[( 268 - 543 ) ÷ 543] x 100 = -50.64%
Formula
Percentage change = [(268 - 543) / 543] x 100
Subtract the new number by the original number
268 - 543 = -275
-275 ÷ 543 = -0.5064456721915286
-0.5064456721915286 x 100 = -50.64%