-87% is the change from 277 to 36
Calculation steps:
[( 36 - 277 ) ÷ 277] x 100 = -87%
Formula
Percentage change = [(36 - 277) / 277] x 100
Subtract the new number by the original number
36 - 277 = -241
-241 ÷ 277 = -0.8700361010830325
-0.8700361010830325 x 100 = -87%