-47.91% is the change from 551 to 287
Calculation steps:
[( 287 - 551 ) ÷ 551] x 100 = -47.91%
Formula
Percentage change = [(287 - 551) / 551] x 100
Subtract the new number by the original number
287 - 551 = -264
-264 ÷ 551 = -0.4791288566243194
-0.4791288566243194 x 100 = -47.91%