238.52% is the change from 270 to 914
Calculation steps:
[( 914 - 270 ) ÷ 270] x 100 = 238.52%
Formula
Percentage change = [(914 - 270) / 270] x 100
Subtract the new number by the original number
914 - 270 = 644
644 ÷ 270 = 2.3851851851851853
2.3851851851851853 x 100 = 238.52%