-21.95% is the change from 843 to 658
Calculation steps:
[( 658 - 843 ) ÷ 843] x 100 = -21.95%
Formula
Percentage change = [(658 - 843) / 843] x 100
Subtract the new number by the original number
658 - 843 = -185
-185 ÷ 843 = -0.21945432977461446
-0.21945432977461446 x 100 = -21.95%