-6.62% is the change from 921 to 860
Calculation steps:
[( 860 - 921 ) ÷ 921] x 100 = -6.62%
Formula
Percentage change = [(860 - 921) / 921] x 100
Subtract the new number by the original number
860 - 921 = -61
-61 ÷ 921 = -0.06623235613463627
-0.06623235613463627 x 100 = -6.62%