253.46% is the change from 217 to 767
Calculation steps:
[( 767 - 217 ) ÷ 217] x 100 = 253.46%
Formula
Percentage change = [(767 - 217) / 217] x 100
Subtract the new number by the original number
767 - 217 = 550
550 ÷ 217 = 2.5345622119815667
2.5345622119815667 x 100 = 253.46%