-67.15% is the change from 828 to 272
Calculation steps:
[( 272 - 828 ) ÷ 828] x 100 = -67.15%
Formula
Percentage change = [(272 - 828) / 828] x 100
Subtract the new number by the original number
272 - 828 = -556
-556 ÷ 828 = -0.6714975845410628
-0.6714975845410628 x 100 = -67.15%