-35.27% is the change from 550 to 356
Calculation steps:
[( 356 - 550 ) ÷ 550] x 100 = -35.27%
Formula
Percentage change = [(356 - 550) / 550] x 100
Subtract the new number by the original number
356 - 550 = -194
-194 ÷ 550 = -0.3527272727272727
-0.3527272727272727 x 100 = -35.27%