-95.45% is the change from 615 to 28
Calculation steps:
[( 28 - 615 ) ÷ 615] x 100 = -95.45%
Formula
Percentage change = [(28 - 615) / 615] x 100
Subtract the new number by the original number
28 - 615 = -587
-587 ÷ 615 = -0.9544715447154472
-0.9544715447154472 x 100 = -95.45%