-78.56% is the change from 900 to 193
Calculation steps:
[( 193 - 900 ) ÷ 900] x 100 = -78.56%
Formula
Percentage change = [(193 - 900) / 900] x 100
Subtract the new number by the original number
193 - 900 = -707
-707 ÷ 900 = -0.7855555555555556
-0.7855555555555556 x 100 = -78.56%