-48.8% is the change from 541 to 277
Calculation steps:
[( 277 - 541 ) ÷ 541] x 100 = -48.8%
Formula
Percentage change = [(277 - 541) / 541] x 100
Subtract the new number by the original number
277 - 541 = -264
-264 ÷ 541 = -0.4879852125693161
-0.4879852125693161 x 100 = -48.8%