192.48% is the change from 266 to 778
Calculation steps:
[( 778 - 266 ) ÷ 266] x 100 = 192.48%
Formula
Percentage change = [(778 - 266) / 266] x 100
Subtract the new number by the original number
778 - 266 = 512
512 ÷ 266 = 1.9248120300751879
1.9248120300751879 x 100 = 192.48%