-29.55% is the change from 951 to 670
Calculation steps:
[( 670 - 951 ) ÷ 951] x 100 = -29.55%
Formula
Percentage change = [(670 - 951) / 951] x 100
Subtract the new number by the original number
670 - 951 = -281
-281 ÷ 951 = -0.29547844374342797
-0.29547844374342797 x 100 = -29.55%