242.09% is the change from 278 to 951
Calculation steps:
[( 951 - 278 ) ÷ 278] x 100 = 242.09%
Formula
Percentage change = [(951 - 278) / 278] x 100
Subtract the new number by the original number
951 - 278 = 673
673 ÷ 278 = 2.420863309352518
2.420863309352518 x 100 = 242.09%