-77.11% is the change from 843 to 193
Calculation steps:
[( 193 - 843 ) ÷ 843] x 100 = -77.11%
Formula
Percentage change = [(193 - 843) / 843] x 100
Subtract the new number by the original number
193 - 843 = -650
-650 ÷ 843 = -0.7710557532621589
-0.7710557532621589 x 100 = -77.11%