-67.45% is the change from 550 to 179
Calculation steps:
[( 179 - 550 ) ÷ 550] x 100 = -67.45%
Formula
Percentage change = [(179 - 550) / 550] x 100
Subtract the new number by the original number
179 - 550 = -371
-371 ÷ 550 = -0.6745454545454546
-0.6745454545454546 x 100 = -67.45%