-41.8% is the change from 646 to 376
Calculation steps:
[( 376 - 646 ) ÷ 646] x 100 = -41.8%
Formula
Percentage change = [(376 - 646) / 646] x 100
Subtract the new number by the original number
376 - 646 = -270
-270 ÷ 646 = -0.4179566563467492
-0.4179566563467492 x 100 = -41.8%