-46.92% is the change from 520 to 276
Calculation steps:
[( 276 - 520 ) ÷ 520] x 100 = -46.92%
Formula
Percentage change = [(276 - 520) / 520] x 100
Subtract the new number by the original number
276 - 520 = -244
-244 ÷ 520 = -0.46923076923076923
-0.46923076923076923 x 100 = -46.92%