-41.42% is the change from 664 to 389
Calculation steps:
[( 389 - 664 ) ÷ 664] x 100 = -41.42%
Formula
Percentage change = [(389 - 664) / 664] x 100
Subtract the new number by the original number
389 - 664 = -275
-275 ÷ 664 = -0.4141566265060241
-0.4141566265060241 x 100 = -41.42%