-60.69% is the change from 641 to 252
Calculation steps:
[( 252 - 641 ) ÷ 641] x 100 = -60.69%
Formula
Percentage change = [(252 - 641) / 641] x 100
Subtract the new number by the original number
252 - 641 = -389
-389 ÷ 641 = -0.6068642745709828
-0.6068642745709828 x 100 = -60.69%