-60.71% is the change from 644 to 253
Calculation steps:
[( 253 - 644 ) ÷ 644] x 100 = -60.71%
Formula
Percentage change = [(253 - 644) / 644] x 100
Subtract the new number by the original number
253 - 644 = -391
-391 ÷ 644 = -0.6071428571428571
-0.6071428571428571 x 100 = -60.71%