-48.62% is the change from 508 to 261
Calculation steps:
[( 261 - 508 ) ÷ 508] x 100 = -48.62%
Formula
Percentage change = [(261 - 508) / 508] x 100
Subtract the new number by the original number
261 - 508 = -247
-247 ÷ 508 = -0.4862204724409449
-0.4862204724409449 x 100 = -48.62%