-41.21% is the change from 512 to 301
Calculation steps:
[( 301 - 512 ) ÷ 512] x 100 = -41.21%
Formula
Percentage change = [(301 - 512) / 512] x 100
Subtract the new number by the original number
301 - 512 = -211
-211 ÷ 512 = -0.412109375
-0.412109375 x 100 = -41.21%