-71.89% is the change from 843 to 237
Calculation steps:
[( 237 - 843 ) ÷ 843] x 100 = -71.89%
Formula
Percentage change = [(237 - 843) / 843] x 100
Subtract the new number by the original number
237 - 843 = -606
-606 ÷ 843 = -0.7188612099644128
-0.7188612099644128 x 100 = -71.89%