-64.85% is the change from 623 to 219
Calculation steps:
[( 219 - 623 ) ÷ 623] x 100 = -64.85%
Formula
Percentage change = [(219 - 623) / 623] x 100
Subtract the new number by the original number
219 - 623 = -404
-404 ÷ 623 = -0.6484751203852327
-0.6484751203852327 x 100 = -64.85%