-2.92% is the change from 993 to 964
Calculation steps:
[( 964 - 993 ) ÷ 993] x 100 = -2.92%
Formula
Percentage change = [(964 - 993) / 993] x 100
Subtract the new number by the original number
964 - 993 = -29
-29 ÷ 993 = -0.02920443101711984
-0.02920443101711984 x 100 = -2.92%