320.29% is the change from 207 to 870
Calculation steps:
[( 870 - 207 ) ÷ 207] x 100 = 320.29%
Formula
Percentage change = [(870 - 207) / 207] x 100
Subtract the new number by the original number
870 - 207 = 663
663 ÷ 207 = 3.2028985507246377
3.2028985507246377 x 100 = 320.29%