-14.48% is the change from 960 to 821
Calculation steps:
[( 821 - 960 ) ÷ 960] x 100 = -14.48%
Formula
Percentage change = [(821 - 960) / 960] x 100
Subtract the new number by the original number
821 - 960 = -139
-139 ÷ 960 = -0.14479166666666668
-0.14479166666666668 x 100 = -14.48%