-46.27% is the change from 951 to 511
Calculation steps:
[( 511 - 951 ) ÷ 951] x 100 = -46.27%
Formula
Percentage change = [(511 - 951) / 951] x 100
Subtract the new number by the original number
511 - 951 = -440
-440 ÷ 951 = -0.46267087276551
-0.46267087276551 x 100 = -46.27%