-67.92% is the change from 689 to 221
Calculation steps:
[( 221 - 689 ) ÷ 689] x 100 = -67.92%
Formula
Percentage change = [(221 - 689) / 689] x 100
Subtract the new number by the original number
221 - 689 = -468
-468 ÷ 689 = -0.6792452830188679
-0.6792452830188679 x 100 = -67.92%