-41.46% is the change from 644 to 377
Calculation steps:
[( 377 - 644 ) ÷ 644] x 100 = -41.46%
Formula
Percentage change = [(377 - 644) / 644] x 100
Subtract the new number by the original number
377 - 644 = -267
-267 ÷ 644 = -0.41459627329192544
-0.41459627329192544 x 100 = -41.46%