-53.79% is the change from 515 to 238
Calculation steps:
[( 238 - 515 ) ÷ 515] x 100 = -53.79%
Formula
Percentage change = [(238 - 515) / 515] x 100
Subtract the new number by the original number
238 - 515 = -277
-277 ÷ 515 = -0.537864077669903
-0.537864077669903 x 100 = -53.79%