269.55% is the change from 266 to 983
Calculation steps:
[( 983 - 266 ) ÷ 266] x 100 = 269.55%
Formula
Percentage change = [(983 - 266) / 266] x 100
Subtract the new number by the original number
983 - 266 = 717
717 ÷ 266 = 2.6954887218045114
2.6954887218045114 x 100 = 269.55%