-34.95% is the change from 641 to 417
Calculation steps:
[( 417 - 641 ) ÷ 641] x 100 = -34.95%
Formula
Percentage change = [(417 - 641) / 641] x 100
Subtract the new number by the original number
417 - 641 = -224
-224 ÷ 641 = -0.3494539781591264
-0.3494539781591264 x 100 = -34.95%