-93.37% is the change from 664 to 44
Calculation steps:
[( 44 - 664 ) ÷ 664] x 100 = -93.37%
Formula
Percentage change = [(44 - 664) / 664] x 100
Subtract the new number by the original number
44 - 664 = -620
-620 ÷ 664 = -0.9337349397590361
-0.9337349397590361 x 100 = -93.37%