211.38% is the change from 123 to 383
Calculation steps:
[( 383 - 123 ) ÷ 123] x 100 = 211.38%
Formula
Percentage change = [(383 - 123) / 123] x 100
Subtract the new number by the original number
383 - 123 = 260
260 ÷ 123 = 2.113821138211382
2.113821138211382 x 100 = 211.38%