-64.31% is the change from 664 to 237
Calculation steps:
[( 237 - 664 ) ÷ 664] x 100 = -64.31%
Formula
Percentage change = [(237 - 664) / 664] x 100
Subtract the new number by the original number
237 - 664 = -427
-427 ÷ 664 = -0.6430722891566265
-0.6430722891566265 x 100 = -64.31%