-99.56% is the change from 919 to 4
Calculation steps:
[( 4 - 919 ) ÷ 919] x 100 = -99.56%
Formula
Percentage change = [(4 - 919) / 919] x 100
Subtract the new number by the original number
4 - 919 = -915
-915 ÷ 919 = -0.9956474428726877
-0.9956474428726877 x 100 = -99.56%