97.82% is the change from 412 to 815
Calculation steps:
[( 815 - 412 ) ÷ 412] x 100 = 97.82%
Formula
Percentage change = [(815 - 412) / 412] x 100
Subtract the new number by the original number
815 - 412 = 403
403 ÷ 412 = 0.9781553398058253
0.9781553398058253 x 100 = 97.82%