-54% is the change from 550 to 253
Calculation steps:
[( 253 - 550 ) ÷ 550] x 100 = -54%
Formula
Percentage change = [(253 - 550) / 550] x 100
Subtract the new number by the original number
253 - 550 = -297
-297 ÷ 550 = -0.54
-0.54 x 100 = -54%
Example