-99.35% is the change from 615 to 4
Calculation steps:
[( 4 - 615 ) ÷ 615] x 100 = -99.35%
Formula
Percentage change = [(4 - 615) / 615] x 100
Subtract the new number by the original number
4 - 615 = -611
-611 ÷ 615 = -0.9934959349593496
-0.9934959349593496 x 100 = -99.35%