91.53% is the change from 437 to 837
Calculation steps:
[( 837 - 437 ) ÷ 437] x 100 = 91.53%
Formula
Percentage change = [(837 - 437) / 437] x 100
Subtract the new number by the original number
837 - 437 = 400
400 ÷ 437 = 0.9153318077803204
0.9153318077803204 x 100 = 91.53%