-64.86% is the change from 629 to 221
Calculation steps:
[( 221 - 629 ) ÷ 629] x 100 = -64.86%
Formula
Percentage change = [(221 - 629) / 629] x 100
Subtract the new number by the original number
221 - 629 = -408
-408 ÷ 629 = -0.6486486486486487
-0.6486486486486487 x 100 = -64.86%