-68.31% is the change from 243 to 77
Calculation steps:
[( 77 - 243 ) ÷ 243] x 100 = -68.31%
Formula
Percentage change = [(77 - 243) / 243] x 100
Subtract the new number by the original number
77 - 243 = -166
-166 ÷ 243 = -0.6831275720164609
-0.6831275720164609 x 100 = -68.31%