280.17% is the change from 242 to 920
Calculation steps:
[( 920 - 242 ) ÷ 242] x 100 = 280.17%
Formula
Percentage change = [(920 - 242) / 242] x 100
Subtract the new number by the original number
920 - 242 = 678
678 ÷ 242 = 2.8016528925619837
2.8016528925619837 x 100 = 280.17%