-32% is the change from 550 to 374
Calculation steps:
[( 374 - 550 ) ÷ 550] x 100 = -32%
Formula
Percentage change = [(374 - 550) / 550] x 100
Subtract the new number by the original number
374 - 550 = -176
-176 ÷ 550 = -0.32
-0.32 x 100 = -32%
Example