-78.56% is the change from 919 to 197
Calculation steps:
[( 197 - 919 ) ÷ 919] x 100 = -78.56%
Formula
Percentage change = [(197 - 919) / 919] x 100
Subtract the new number by the original number
197 - 919 = -722
-722 ÷ 919 = -0.7856365614798694
-0.7856365614798694 x 100 = -78.56%