-89.29% is the change from 644 to 69
Calculation steps:
[( 69 - 644 ) ÷ 644] x 100 = -89.29%
Formula
Percentage change = [(69 - 644) / 644] x 100
Subtract the new number by the original number
69 - 644 = -575
-575 ÷ 644 = -0.8928571428571429
-0.8928571428571429 x 100 = -89.29%