-54.09% is the change from 623 to 286
Calculation steps:
[( 286 - 623 ) ÷ 623] x 100 = -54.09%
Formula
Percentage change = [(286 - 623) / 623] x 100
Subtract the new number by the original number
286 - 623 = -337
-337 ÷ 623 = -0.5409309791332263
-0.5409309791332263 x 100 = -54.09%