-91.46% is the change from 843 to 72
Calculation steps:
[( 72 - 843 ) ÷ 843] x 100 = -91.46%
Formula
Percentage change = [(72 - 843) / 843] x 100
Subtract the new number by the original number
72 - 843 = -771
-771 ÷ 843 = -0.9145907473309609
-0.9145907473309609 x 100 = -91.46%