79.26% is the change from 217 to 389
Calculation steps:
[( 389 - 217 ) ÷ 217] x 100 = 79.26%
Formula
Percentage change = [(389 - 217) / 217] x 100
Subtract the new number by the original number
389 - 217 = 172
172 ÷ 217 = 0.7926267281105991
0.7926267281105991 x 100 = 79.26%