-51.06% is the change from 615 to 301
Calculation steps:
[( 301 - 615 ) ÷ 615] x 100 = -51.06%
Formula
Percentage change = [(301 - 615) / 615] x 100
Subtract the new number by the original number
301 - 615 = -314
-314 ÷ 615 = -0.510569105691057
-0.510569105691057 x 100 = -51.06%