-52.2% is the change from 546 to 261
Calculation steps:
[( 261 - 546 ) ÷ 546] x 100 = -52.2%
Formula
Percentage change = [(261 - 546) / 546] x 100
Subtract the new number by the original number
261 - 546 = -285
-285 ÷ 546 = -0.521978021978022
-0.521978021978022 x 100 = -52.2%