-28.94% is the change from 774 to 550
Calculation steps:
[( 550 - 774 ) ÷ 774] x 100 = -28.94%
Formula
Percentage change = [(550 - 774) / 774] x 100
Subtract the new number by the original number
550 - 774 = -224
-224 ÷ 774 = -0.28940568475452194
-0.28940568475452194 x 100 = -28.94%