-32.73% is the change from 550 to 370
Calculation steps:
[( 370 - 550 ) ÷ 550] x 100 = -32.73%
Formula
Percentage change = [(370 - 550) / 550] x 100
Subtract the new number by the original number
370 - 550 = -180
-180 ÷ 550 = -0.32727272727272727
-0.32727272727272727 x 100 = -32.73%