-2.11% is the change from 996 to 975
Calculation steps:
[( 975 - 996 ) ÷ 996] x 100 = -2.11%
Formula
Percentage change = [(975 - 996) / 996] x 100
Subtract the new number by the original number
975 - 996 = -21
-21 ÷ 996 = -0.02108433734939759
-0.02108433734939759 x 100 = -2.11%