-88.82% is the change from 644 to 72
Calculation steps:
[( 72 - 644 ) ÷ 644] x 100 = -88.82%
Formula
Percentage change = [(72 - 644) / 644] x 100
Subtract the new number by the original number
72 - 644 = -572
-572 ÷ 644 = -0.8881987577639752
-0.8881987577639752 x 100 = -88.82%