-54.51% is the change from 510 to 232
Calculation steps:
[( 232 - 510 ) ÷ 510] x 100 = -54.51%
Formula
Percentage change = [(232 - 510) / 510] x 100
Subtract the new number by the original number
232 - 510 = -278
-278 ÷ 510 = -0.5450980392156862
-0.5450980392156862 x 100 = -54.51%