-66.99% is the change from 512 to 169
Calculation steps:
[( 169 - 512 ) ÷ 512] x 100 = -66.99%
Formula
Percentage change = [(169 - 512) / 512] x 100
Subtract the new number by the original number
169 - 512 = -343
-343 ÷ 512 = -0.669921875
-0.669921875 x 100 = -66.99%