-59.38% is the change from 512 to 208
Calculation steps:
[( 208 - 512 ) ÷ 512] x 100 = -59.38%
Formula
Percentage change = [(208 - 512) / 512] x 100
Subtract the new number by the original number
208 - 512 = -304
-304 ÷ 512 = -0.59375
-0.59375 x 100 = -59.38%