-66.87% is the change from 987 to 327
Calculation steps:
[( 327 - 987 ) ÷ 987] x 100 = -66.87%
Formula
Percentage change = [(327 - 987) / 987] x 100
Subtract the new number by the original number
327 - 987 = -660
-660 ÷ 987 = -0.668693009118541
-0.668693009118541 x 100 = -66.87%