-67.71% is the change from 669 to 216
Calculation steps:
[( 216 - 669 ) ÷ 669] x 100 = -67.71%
Formula
Percentage change = [(216 - 669) / 669] x 100
Subtract the new number by the original number
216 - 669 = -453
-453 ÷ 669 = -0.6771300448430493
-0.6771300448430493 x 100 = -67.71%