97.57% is the change from 412 to 814
Calculation steps:
[( 814 - 412 ) ÷ 412] x 100 = 97.57%
Formula
Percentage change = [(814 - 412) / 412] x 100
Subtract the new number by the original number
814 - 412 = 402
402 ÷ 412 = 0.9757281553398058
0.9757281553398058 x 100 = 97.57%