221.77% is the change from 124 to 399
Calculation steps:
[( 399 - 124 ) ÷ 124] x 100 = 221.77%
Formula
Percentage change = [(399 - 124) / 124] x 100
Subtract the new number by the original number
399 - 124 = 275
275 ÷ 124 = 2.217741935483871
2.217741935483871 x 100 = 221.77%