-64.86% is the change from 828 to 291
Calculation steps:
[( 291 - 828 ) ÷ 828] x 100 = -64.86%
Formula
Percentage change = [(291 - 828) / 828] x 100
Subtract the new number by the original number
291 - 828 = -537
-537 ÷ 828 = -0.6485507246376812
-0.6485507246376812 x 100 = -64.86%