-36.18% is the change from 843 to 538
Calculation steps:
[( 538 - 843 ) ÷ 843] x 100 = -36.18%
Formula
Percentage change = [(538 - 843) / 843] x 100
Subtract the new number by the original number
538 - 843 = -305
-305 ÷ 843 = -0.36180308422301305
-0.36180308422301305 x 100 = -36.18%