-69.01% is the change from 513 to 159
Calculation steps:
[( 159 - 513 ) ÷ 513] x 100 = -69.01%
Formula
Percentage change = [(159 - 513) / 513] x 100
Subtract the new number by the original number
159 - 513 = -354
-354 ÷ 513 = -0.6900584795321637
-0.6900584795321637 x 100 = -69.01%