-77.11% is the change from 996 to 228
Calculation steps:
[( 228 - 996 ) ÷ 996] x 100 = -77.11%
Formula
Percentage change = [(228 - 996) / 996] x 100
Subtract the new number by the original number
228 - 996 = -768
-768 ÷ 996 = -0.7710843373493976
-0.7710843373493976 x 100 = -77.11%