-93.17% is the change from 644 to 44
Calculation steps:
[( 44 - 644 ) ÷ 644] x 100 = -93.17%
Formula
Percentage change = [(44 - 644) / 644] x 100
Subtract the new number by the original number
44 - 644 = -600
-600 ÷ 644 = -0.9316770186335404
-0.9316770186335404 x 100 = -93.17%