-77.58% is the change from 843 to 189
Calculation steps:
[( 189 - 843 ) ÷ 843] x 100 = -77.58%
Formula
Percentage change = [(189 - 843) / 843] x 100
Subtract the new number by the original number
189 - 843 = -654
-654 ÷ 843 = -0.7758007117437722
-0.7758007117437722 x 100 = -77.58%