-75.48% is the change from 991 to 243
Calculation steps:
[( 243 - 991 ) ÷ 991] x 100 = -75.48%
Formula
Percentage change = [(243 - 991) / 991] x 100
Subtract the new number by the original number
243 - 991 = -748
-748 ÷ 991 = -0.7547931382441978
-0.7547931382441978 x 100 = -75.48%