-66.73% is the change from 550 to 183
Calculation steps:
[( 183 - 550 ) ÷ 550] x 100 = -66.73%
Formula
Percentage change = [(183 - 550) / 550] x 100
Subtract the new number by the original number
183 - 550 = -367
-367 ÷ 550 = -0.6672727272727272
-0.6672727272727272 x 100 = -66.73%