-72% is the change from 843 to 236
Calculation steps:
[( 236 - 843 ) ÷ 843] x 100 = -72%
Formula
Percentage change = [(236 - 843) / 843] x 100
Subtract the new number by the original number
236 - 843 = -607
-607 ÷ 843 = -0.7200474495848161
-0.7200474495848161 x 100 = -72%