-42.39% is the change from 644 to 371
Calculation steps:
[( 371 - 644 ) ÷ 644] x 100 = -42.39%
Formula
Percentage change = [(371 - 644) / 644] x 100
Subtract the new number by the original number
371 - 644 = -273
-273 ÷ 644 = -0.42391304347826086
-0.42391304347826086 x 100 = -42.39%