-63.12% is the change from 827 to 305
Calculation steps:
[( 305 - 827 ) ÷ 827] x 100 = -63.12%
Formula
Percentage change = [(305 - 827) / 827] x 100
Subtract the new number by the original number
305 - 827 = -522
-522 ÷ 827 = -0.6311970979443773
-0.6311970979443773 x 100 = -63.12%