-69.08% is the change from 249 to 77
Calculation steps:
[( 77 - 249 ) ÷ 249] x 100 = -69.08%
Formula
Percentage change = [(77 - 249) / 249] x 100
Subtract the new number by the original number
77 - 249 = -172
-172 ÷ 249 = -0.6907630522088354
-0.6907630522088354 x 100 = -69.08%