-83.24% is the change from 919 to 154
Calculation steps:
[( 154 - 919 ) ÷ 919] x 100 = -83.24%
Formula
Percentage change = [(154 - 919) / 919] x 100
Subtract the new number by the original number
154 - 919 = -765
-765 ÷ 919 = -0.8324265505984766
-0.8324265505984766 x 100 = -83.24%