-47.46% is the change from 512 to 269
Calculation steps:
[( 269 - 512 ) ÷ 512] x 100 = -47.46%
Formula
Percentage change = [(269 - 512) / 512] x 100
Subtract the new number by the original number
269 - 512 = -243
-243 ÷ 512 = -0.474609375
-0.474609375 x 100 = -47.46%