-45.67% is the change from 508 to 276
Calculation steps:
[( 276 - 508 ) ÷ 508] x 100 = -45.67%
Formula
Percentage change = [(276 - 508) / 508] x 100
Subtract the new number by the original number
276 - 508 = -232
-232 ÷ 508 = -0.4566929133858268
-0.4566929133858268 x 100 = -45.67%