-81.23% is the change from 261 to 49
Calculation steps:
[( 49 - 261 ) ÷ 261] x 100 = -81.23%
Formula
Percentage change = [(49 - 261) / 261] x 100
Subtract the new number by the original number
49 - 261 = -212
-212 ÷ 261 = -0.8122605363984674
-0.8122605363984674 x 100 = -81.23%