-24.73% is the change from 550 to 414
Calculation steps:
[( 414 - 550 ) ÷ 550] x 100 = -24.73%
Formula
Percentage change = [(414 - 550) / 550] x 100
Subtract the new number by the original number
414 - 550 = -136
-136 ÷ 550 = -0.24727272727272728
-0.24727272727272728 x 100 = -24.73%