-64.03% is the change from 645 to 232
Calculation steps:
[( 232 - 645 ) ÷ 645] x 100 = -64.03%
Formula
Percentage change = [(232 - 645) / 645] x 100
Subtract the new number by the original number
232 - 645 = -413
-413 ÷ 645 = -0.6403100775193798
-0.6403100775193798 x 100 = -64.03%