65.04% is the change from 266 to 439
Calculation steps:
[( 439 - 266 ) ÷ 266] x 100 = 65.04%
Formula
Percentage change = [(439 - 266) / 266] x 100
Subtract the new number by the original number
439 - 266 = 173
173 ÷ 266 = 0.650375939849624
0.650375939849624 x 100 = 65.04%