-65.75% is the change from 511 to 175
Calculation steps:
[( 175 - 511 ) ÷ 511] x 100 = -65.75%
Formula
Percentage change = [(175 - 511) / 511] x 100
Subtract the new number by the original number
175 - 511 = -336
-336 ÷ 511 = -0.6575342465753424
-0.6575342465753424 x 100 = -65.75%