-50.45% is the change from 559 to 277
Calculation steps:
[( 277 - 559 ) ÷ 559] x 100 = -50.45%
Formula
Percentage change = [(277 - 559) / 559] x 100
Subtract the new number by the original number
277 - 559 = -282
-282 ÷ 559 = -0.5044722719141324
-0.5044722719141324 x 100 = -50.45%