-7.53% is the change from 996 to 921
Calculation steps:
[( 921 - 996 ) ÷ 996] x 100 = -7.53%
Formula
Percentage change = [(921 - 996) / 996] x 100
Subtract the new number by the original number
921 - 996 = -75
-75 ÷ 996 = -0.07530120481927711
-0.07530120481927711 x 100 = -7.53%