85.17% is the change from 344 to 637
Calculation steps:
[( 637 - 344 ) ÷ 344] x 100 = 85.17%
Formula
Percentage change = [(637 - 344) / 344] x 100
Subtract the new number by the original number
637 - 344 = 293
293 ÷ 344 = 0.8517441860465116
0.8517441860465116 x 100 = 85.17%