-61.13% is the change from 512 to 199
Calculation steps:
[( 199 - 512 ) ÷ 512] x 100 = -61.13%
Formula
Percentage change = [(199 - 512) / 512] x 100
Subtract the new number by the original number
199 - 512 = -313
-313 ÷ 512 = -0.611328125
-0.611328125 x 100 = -61.13%