-64.01% is the change from 714 to 257
Calculation steps:
[( 257 - 714 ) ÷ 714] x 100 = -64.01%
Formula
Percentage change = [(257 - 714) / 714] x 100
Subtract the new number by the original number
257 - 714 = -457
-457 ÷ 714 = -0.6400560224089635
-0.6400560224089635 x 100 = -64.01%