-46.3% is the change from 486 to 261
Calculation steps:
[( 261 - 486 ) ÷ 486] x 100 = -46.3%
Formula
Percentage change = [(261 - 486) / 486] x 100
Subtract the new number by the original number
261 - 486 = -225
-225 ÷ 486 = -0.46296296296296297
-0.46296296296296297 x 100 = -46.3%