87.36% is the change from 277 to 519
Calculation steps:
[( 519 - 277 ) ÷ 277] x 100 = 87.36%
Formula
Percentage change = [(519 - 277) / 277] x 100
Subtract the new number by the original number
519 - 277 = 242
242 ÷ 277 = 0.8736462093862816
0.8736462093862816 x 100 = 87.36%