-35.3% is the change from 643 to 416
Calculation steps:
[( 416 - 643 ) ÷ 643] x 100 = -35.3%
Formula
Percentage change = [(416 - 643) / 643] x 100
Subtract the new number by the original number
416 - 643 = -227
-227 ÷ 643 = -0.35303265940902023
-0.35303265940902023 x 100 = -35.3%