291.89% is the change from 222 to 870
Calculation steps:
[( 870 - 222 ) ÷ 222] x 100 = 291.89%
Formula
Percentage change = [(870 - 222) / 222] x 100
Subtract the new number by the original number
870 - 222 = 648
648 ÷ 222 = 2.918918918918919
2.918918918918919 x 100 = 291.89%