221.48% is the change from 270 to 868
Calculation steps:
[( 868 - 270 ) ÷ 270] x 100 = 221.48%
Formula
Percentage change = [(868 - 270) / 270] x 100
Subtract the new number by the original number
868 - 270 = 598
598 ÷ 270 = 2.214814814814815
2.214814814814815 x 100 = 221.48%