54.87% is the change from 277 to 429
Calculation steps:
[( 429 - 277 ) ÷ 277] x 100 = 54.87%
Formula
Percentage change = [(429 - 277) / 277] x 100
Subtract the new number by the original number
429 - 277 = 152
152 ÷ 277 = 0.5487364620938628
0.5487364620938628 x 100 = 54.87%