-17.39% is the change from 644 to 532
Calculation steps:
[( 532 - 644 ) ÷ 644] x 100 = -17.39%
Formula
Percentage change = [(532 - 644) / 644] x 100
Subtract the new number by the original number
532 - 644 = -112
-112 ÷ 644 = -0.17391304347826086
-0.17391304347826086 x 100 = -17.39%