89.96% is the change from 269 to 511
Calculation steps:
[( 511 - 269 ) ÷ 269] x 100 = 89.96%
Formula
Percentage change = [(511 - 269) / 269] x 100
Subtract the new number by the original number
511 - 269 = 242
242 ÷ 269 = 0.8996282527881041
0.8996282527881041 x 100 = 89.96%