-75.44% is the change from 843 to 207
Calculation steps:
[( 207 - 843 ) ÷ 843] x 100 = -75.44%
Formula
Percentage change = [(207 - 843) / 843] x 100
Subtract the new number by the original number
207 - 843 = -636
-636 ÷ 843 = -0.7544483985765125
-0.7544483985765125 x 100 = -75.44%