-29.18% is the change from 778 to 551
Calculation steps:
[( 551 - 778 ) ÷ 778] x 100 = -29.18%
Formula
Percentage change = [(551 - 778) / 778] x 100
Subtract the new number by the original number
551 - 778 = -227
-227 ÷ 778 = -0.2917737789203085
-0.2917737789203085 x 100 = -29.18%