-70.62% is the change from 827 to 243
Calculation steps:
[( 243 - 827 ) ÷ 827] x 100 = -70.62%
Formula
Percentage change = [(243 - 827) / 827] x 100
Subtract the new number by the original number
243 - 827 = -584
-584 ÷ 827 = -0.7061668681983071
-0.7061668681983071 x 100 = -70.62%