105.67% is the change from 423 to 870
Calculation steps:
[( 870 - 423 ) ÷ 423] x 100 = 105.67%
Formula
Percentage change = [(870 - 423) / 423] x 100
Subtract the new number by the original number
870 - 423 = 447
447 ÷ 423 = 1.0567375886524824
1.0567375886524824 x 100 = 105.67%