-64.09% is the change from 646 to 232
Calculation steps:
[( 232 - 646 ) ÷ 646] x 100 = -64.09%
Formula
Percentage change = [(232 - 646) / 646] x 100
Subtract the new number by the original number
232 - 646 = -414
-414 ÷ 646 = -0.6408668730650154
-0.6408668730650154 x 100 = -64.09%