-32.6% is the change from 951 to 641
Calculation steps:
[( 641 - 951 ) ÷ 951] x 100 = -32.6%
Formula
Percentage change = [(641 - 951) / 951] x 100
Subtract the new number by the original number
641 - 951 = -310
-310 ÷ 951 = -0.32597266035751843
-0.32597266035751843 x 100 = -32.6%