-45.96% is the change from 520 to 281
Calculation steps:
[( 281 - 520 ) ÷ 520] x 100 = -45.96%
Formula
Percentage change = [(281 - 520) / 520] x 100
Subtract the new number by the original number
281 - 520 = -239
-239 ÷ 520 = -0.4596153846153846
-0.4596153846153846 x 100 = -45.96%