67.53% is the change from 388 to 650
Calculation steps:
[( 650 - 388 ) ÷ 388] x 100 = 67.53%
Formula
Percentage change = [(650 - 388) / 388] x 100
Subtract the new number by the original number
650 - 388 = 262
262 ÷ 388 = 0.6752577319587629
0.6752577319587629 x 100 = 67.53%