50.54% is the change from 277 to 417
Calculation steps:
[( 417 - 277 ) ÷ 277] x 100 = 50.54%
Formula
Percentage change = [(417 - 277) / 277] x 100
Subtract the new number by the original number
417 - 277 = 140
140 ÷ 277 = 0.5054151624548736
0.5054151624548736 x 100 = 50.54%