-47.5% is the change from 981 to 515
Calculation steps:
[( 515 - 981 ) ÷ 981] x 100 = -47.5%
Formula
Percentage change = [(515 - 981) / 981] x 100
Subtract the new number by the original number
515 - 981 = -466
-466 ÷ 981 = -0.4750254841997961
-0.4750254841997961 x 100 = -47.5%