-64.49% is the change from 828 to 294
Calculation steps:
[( 294 - 828 ) ÷ 828] x 100 = -64.49%
Formula
Percentage change = [(294 - 828) / 828] x 100
Subtract the new number by the original number
294 - 828 = -534
-534 ÷ 828 = -0.644927536231884
-0.644927536231884 x 100 = -64.49%