-42.27% is the change from 951 to 549
Calculation steps:
[( 549 - 951 ) ÷ 951] x 100 = -42.27%
Formula
Percentage change = [(549 - 951) / 951] x 100
Subtract the new number by the original number
549 - 951 = -402
-402 ÷ 951 = -0.4227129337539432
-0.4227129337539432 x 100 = -42.27%