-53.22% is the change from 513 to 240
Calculation steps:
[( 240 - 513 ) ÷ 513] x 100 = -53.22%
Formula
Percentage change = [(240 - 513) / 513] x 100
Subtract the new number by the original number
240 - 513 = -273
-273 ÷ 513 = -0.5321637426900585
-0.5321637426900585 x 100 = -53.22%