128.6% is the change from 437 to 999
Calculation steps:
[( 999 - 437 ) ÷ 437] x 100 = 128.6%
Formula
Percentage change = [(999 - 437) / 437] x 100
Subtract the new number by the original number
999 - 437 = 562
562 ÷ 437 = 1.2860411899313502
1.2860411899313502 x 100 = 128.6%