-50.35% is the change from 433 to 215
Calculation steps:
[( 215 - 433 ) ÷ 433] x 100 = -50.35%
Formula
Percentage change = [(215 - 433) / 433] x 100
Subtract the new number by the original number
215 - 433 = -218
-218 ÷ 433 = -0.5034642032332564
-0.5034642032332564 x 100 = -50.35%
Example