187.97% is the change from 266 to 766
Calculation steps:
[( 766 - 266 ) ÷ 266] x 100 = 187.97%
Formula
Percentage change = [(766 - 266) / 266] x 100
Subtract the new number by the original number
766 - 266 = 500
500 ÷ 266 = 1.8796992481203008
1.8796992481203008 x 100 = 187.97%