-50.8% is the change from 563 to 277
Calculation steps:
[( 277 - 563 ) ÷ 563] x 100 = -50.8%
Formula
Percentage change = [(277 - 563) / 563] x 100
Subtract the new number by the original number
277 - 563 = -286
-286 ÷ 563 = -0.5079928952042628
-0.5079928952042628 x 100 = -50.8%