-47.85% is the change from 512 to 267
Calculation steps:
[( 267 - 512 ) ÷ 512] x 100 = -47.85%
Formula
Percentage change = [(267 - 512) / 512] x 100
Subtract the new number by the original number
267 - 512 = -245
-245 ÷ 512 = -0.478515625
-0.478515625 x 100 = -47.85%