-7.19% is the change from 417 to 387
Calculation steps:
[( 387 - 417 ) ÷ 417] x 100 = -7.19%
Formula
Percentage change = [(387 - 417) / 417] x 100
Subtract the new number by the original number
387 - 417 = -30
-30 ÷ 417 = -0.07194244604316546
-0.07194244604316546 x 100 = -7.19%