267.67% is the change from 266 to 978
Calculation steps:
[( 978 - 266 ) ÷ 266] x 100 = 267.67%
Formula
Percentage change = [(978 - 266) / 266] x 100
Subtract the new number by the original number
978 - 266 = 712
712 ÷ 266 = 2.6766917293233083
2.6766917293233083 x 100 = 267.67%