-49.64% is the change from 828 to 417
Calculation steps:
[( 417 - 828 ) ÷ 828] x 100 = -49.64%
Formula
Percentage change = [(417 - 828) / 828] x 100
Subtract the new number by the original number
417 - 828 = -411
-411 ÷ 828 = -0.4963768115942029
-0.4963768115942029 x 100 = -49.64%