-59.57% is the change from 512 to 207
Calculation steps:
[( 207 - 512 ) ÷ 512] x 100 = -59.57%
Formula
Percentage change = [(207 - 512) / 512] x 100
Subtract the new number by the original number
207 - 512 = -305
-305 ÷ 512 = -0.595703125
-0.595703125 x 100 = -59.57%