-6.98% is the change from 387 to 360
Calculation steps:
[( 360 - 387 ) ÷ 387] x 100 = -6.98%
Formula
Percentage change = [(360 - 387) / 387] x 100
Subtract the new number by the original number
360 - 387 = -27
-27 ÷ 387 = -0.06976744186046512
-0.06976744186046512 x 100 = -6.98%