293.72% is the change from 207 to 815
Calculation steps:
[( 815 - 207 ) ÷ 207] x 100 = 293.72%
Formula
Percentage change = [(815 - 207) / 207] x 100
Subtract the new number by the original number
815 - 207 = 608
608 ÷ 207 = 2.9371980676328504
2.9371980676328504 x 100 = 293.72%