-74.07% is the change from 297 to 77
Calculation steps:
[( 77 - 297 ) ÷ 297] x 100 = -74.07%
Formula
Percentage change = [(77 - 297) / 297] x 100
Subtract the new number by the original number
77 - 297 = -220
-220 ÷ 297 = -0.7407407407407407
-0.7407407407407407 x 100 = -74.07%