-62.17% is the change from 645 to 244
Calculation steps:
[( 244 - 645 ) ÷ 645] x 100 = -62.17%
Formula
Percentage change = [(244 - 645) / 645] x 100
Subtract the new number by the original number
244 - 645 = -401
-401 ÷ 645 = -0.6217054263565891
-0.6217054263565891 x 100 = -62.17%