-23.68% is the change from 342 to 261
Calculation steps:
[( 261 - 342 ) ÷ 342] x 100 = -23.68%
Formula
Percentage change = [(261 - 342) / 342] x 100
Subtract the new number by the original number
261 - 342 = -81
-81 ÷ 342 = -0.23684210526315788
-0.23684210526315788 x 100 = -23.68%