-67.31% is the change from 676 to 221
Calculation steps:
[( 221 - 676 ) ÷ 676] x 100 = -67.31%
Formula
Percentage change = [(221 - 676) / 676] x 100
Subtract the new number by the original number
221 - 676 = -455
-455 ÷ 676 = -0.6730769230769231
-0.6730769230769231 x 100 = -67.31%