67.1% is the change from 389 to 650
Calculation steps:
[( 650 - 389 ) ÷ 389] x 100 = 67.1%
Formula
Percentage change = [(650 - 389) / 389] x 100
Subtract the new number by the original number
650 - 389 = 261
261 ÷ 389 = 0.6709511568123393
0.6709511568123393 x 100 = 67.1%