43.32% is the change from 277 to 397
Calculation steps:
[( 397 - 277 ) ÷ 277] x 100 = 43.32%
Formula
Percentage change = [(397 - 277) / 277] x 100
Subtract the new number by the original number
397 - 277 = 120
120 ÷ 277 = 0.4332129963898917
0.4332129963898917 x 100 = 43.32%