107.55% is the change from 278 to 577
Calculation steps:
[( 577 - 278 ) ÷ 278] x 100 = 107.55%
Formula
Percentage change = [(577 - 278) / 278] x 100
Subtract the new number by the original number
577 - 278 = 299
299 ÷ 278 = 1.0755395683453237
1.0755395683453237 x 100 = 107.55%