-53.11% is the change from 546 to 256
Calculation steps:
[( 256 - 546 ) ÷ 546] x 100 = -53.11%
Formula
Percentage change = [(256 - 546) / 546] x 100
Subtract the new number by the original number
256 - 546 = -290
-290 ÷ 546 = -0.5311355311355311
-0.5311355311355311 x 100 = -53.11%