-14.84% is the change from 512 to 436
Calculation steps:
[( 436 - 512 ) ÷ 512] x 100 = -14.84%
Formula
Percentage change = [(436 - 512) / 512] x 100
Subtract the new number by the original number
436 - 512 = -76
-76 ÷ 512 = -0.1484375
-0.1484375 x 100 = -14.84%