128.83% is the change from 437 to 1000
Calculation steps:
[( 1000 - 437 ) ÷ 437] x 100 = 128.83%
Formula
Percentage change = [(1000 - 437) / 437] x 100
Subtract the new number by the original number
1000 - 437 = 563
563 ÷ 437 = 1.2883295194508009
1.2883295194508009 x 100 = 128.83%