-36.34% is the change from 644 to 410
Calculation steps:
[( 410 - 644 ) ÷ 644] x 100 = -36.34%
Formula
Percentage change = [(410 - 644) / 644] x 100
Subtract the new number by the original number
410 - 644 = -234
-234 ÷ 644 = -0.36335403726708076
-0.36335403726708076 x 100 = -36.34%