-34.63% is the change from 641 to 419
Calculation steps:
[( 419 - 641 ) ÷ 641] x 100 = -34.63%
Formula
Percentage change = [(419 - 641) / 641] x 100
Subtract the new number by the original number
419 - 641 = -222
-222 ÷ 641 = -0.3463338533541342
-0.3463338533541342 x 100 = -34.63%