175.76% is the change from 297 to 819
Calculation steps:
[( 819 - 297 ) ÷ 297] x 100 = 175.76%
Formula
Percentage change = [(819 - 297) / 297] x 100
Subtract the new number by the original number
819 - 297 = 522
522 ÷ 297 = 1.7575757575757576
1.7575757575757576 x 100 = 175.76%