-34.17% is the change from 635 to 418
Calculation steps:
[( 418 - 635 ) ÷ 635] x 100 = -34.17%
Formula
Percentage change = [(418 - 635) / 635] x 100
Subtract the new number by the original number
418 - 635 = -217
-217 ÷ 635 = -0.3417322834645669
-0.3417322834645669 x 100 = -34.17%