-41.39% is the change from 546 to 320
Calculation steps:
[( 320 - 546 ) ÷ 546] x 100 = -41.39%
Formula
Percentage change = [(320 - 546) / 546] x 100
Subtract the new number by the original number
320 - 546 = -226
-226 ÷ 546 = -0.4139194139194139
-0.4139194139194139 x 100 = -41.39%