-73.65% is the change from 277 to 73
Calculation steps:
[( 73 - 277 ) ÷ 277] x 100 = -73.65%
Formula
Percentage change = [(73 - 277) / 277] x 100
Subtract the new number by the original number
73 - 277 = -204
-204 ÷ 277 = -0.7364620938628159
-0.7364620938628159 x 100 = -73.65%