-64.14% is the change from 647 to 232
Calculation steps:
[( 232 - 647 ) ÷ 647] x 100 = -64.14%
Formula
Percentage change = [(232 - 647) / 647] x 100
Subtract the new number by the original number
232 - 647 = -415
-415 ÷ 647 = -0.6414219474497682
-0.6414219474497682 x 100 = -64.14%