-70.46% is the change from 843 to 249
Calculation steps:
[( 249 - 843 ) ÷ 843] x 100 = -70.46%
Formula
Percentage change = [(249 - 843) / 843] x 100
Subtract the new number by the original number
249 - 843 = -594
-594 ÷ 843 = -0.7046263345195729
-0.7046263345195729 x 100 = -70.46%