-66.43% is the change from 986 to 331
Calculation steps:
[( 331 - 986 ) ÷ 986] x 100 = -66.43%
Formula
Percentage change = [(331 - 986) / 986] x 100
Subtract the new number by the original number
331 - 986 = -655
-655 ÷ 986 = -0.6643002028397565
-0.6643002028397565 x 100 = -66.43%