-31.86% is the change from 951 to 648
Calculation steps:
[( 648 - 951 ) ÷ 951] x 100 = -31.86%
Formula
Percentage change = [(648 - 951) / 951] x 100
Subtract the new number by the original number
648 - 951 = -303
-303 ÷ 951 = -0.3186119873817035
-0.3186119873817035 x 100 = -31.86%