-81.61% is the change from 919 to 169
Calculation steps:
[( 169 - 919 ) ÷ 919] x 100 = -81.61%
Formula
Percentage change = [(169 - 919) / 919] x 100
Subtract the new number by the original number
169 - 919 = -750
-750 ÷ 919 = -0.8161044613710555
-0.8161044613710555 x 100 = -81.61%