-80.69% is the change from 321 to 62
Calculation steps:
[( 62 - 321 ) ÷ 321] x 100 = -80.69%
Formula
Percentage change = [(62 - 321) / 321] x 100
Subtract the new number by the original number
62 - 321 = -259
-259 ÷ 321 = -0.8068535825545171
-0.8068535825545171 x 100 = -80.69%