-13.67% is the change from 951 to 821
Calculation steps:
[( 821 - 951 ) ÷ 951] x 100 = -13.67%
Formula
Percentage change = [(821 - 951) / 951] x 100
Subtract the new number by the original number
821 - 951 = -130
-130 ÷ 951 = -0.1366982124079916
-0.1366982124079916 x 100 = -13.67%