-64.5% is the change from 724 to 257
Calculation steps:
[( 257 - 724 ) ÷ 724] x 100 = -64.5%
Formula
Percentage change = [(257 - 724) / 724] x 100
Subtract the new number by the original number
257 - 724 = -467
-467 ÷ 724 = -0.6450276243093923
-0.6450276243093923 x 100 = -64.5%