239.48% is the change from 271 to 920
Calculation steps:
[( 920 - 271 ) ÷ 271] x 100 = 239.48%
Formula
Percentage change = [(920 - 271) / 271] x 100
Subtract the new number by the original number
920 - 271 = 649
649 ÷ 271 = 2.3948339483394836
2.3948339483394836 x 100 = 239.48%