-49.73% is the change from 551 to 277
Calculation steps:
[( 277 - 551 ) ÷ 551] x 100 = -49.73%
Formula
Percentage change = [(277 - 551) / 551] x 100
Subtract the new number by the original number
277 - 551 = -274
-274 ÷ 551 = -0.49727767695099817
-0.49727767695099817 x 100 = -49.73%