-72.73% is the change from 891 to 243
Calculation steps:
[( 243 - 891 ) ÷ 891] x 100 = -72.73%
Formula
Percentage change = [(243 - 891) / 891] x 100
Subtract the new number by the original number
243 - 891 = -648
-648 ÷ 891 = -0.7272727272727273
-0.7272727272727273 x 100 = -72.73%