-74.73% is the change from 827 to 209
Calculation steps:
[( 209 - 827 ) ÷ 827] x 100 = -74.73%
Formula
Percentage change = [(209 - 827) / 827] x 100
Subtract the new number by the original number
209 - 827 = -618
-618 ÷ 827 = -0.747279322853688
-0.747279322853688 x 100 = -74.73%