-61.14% is the change from 664 to 258
Calculation steps:
[( 258 - 664 ) ÷ 664] x 100 = -61.14%
Formula
Percentage change = [(258 - 664) / 664] x 100
Subtract the new number by the original number
258 - 664 = -406
-406 ÷ 664 = -0.6114457831325302
-0.6114457831325302 x 100 = -61.14%