-9.59% is the change from 511 to 462
Calculation steps:
[( 462 - 511 ) ÷ 511] x 100 = -9.59%
Formula
Percentage change = [(462 - 511) / 511] x 100
Subtract the new number by the original number
462 - 511 = -49
-49 ÷ 511 = -0.0958904109589041
-0.0958904109589041 x 100 = -9.59%