-67.26% is the change from 675 to 221
Calculation steps:
[( 221 - 675 ) ÷ 675] x 100 = -67.26%
Formula
Percentage change = [(221 - 675) / 675] x 100
Subtract the new number by the original number
221 - 675 = -454
-454 ÷ 675 = -0.6725925925925926
-0.6725925925925926 x 100 = -67.26%