-82.67% is the change from 277 to 48
Calculation steps:
[( 48 - 277 ) ÷ 277] x 100 = -82.67%
Formula
Percentage change = [(48 - 277) / 277] x 100
Subtract the new number by the original number
48 - 277 = -229
-229 ÷ 277 = -0.8267148014440433
-0.8267148014440433 x 100 = -82.67%