291.47% is the change from 211 to 826
Calculation steps:
[( 826 - 211 ) ÷ 211] x 100 = 291.47%
Formula
Percentage change = [(826 - 211) / 211] x 100
Subtract the new number by the original number
826 - 211 = 615
615 ÷ 211 = 2.914691943127962
2.914691943127962 x 100 = 291.47%