106.16% is the change from 422 to 870
Calculation steps:
[( 870 - 422 ) ÷ 422] x 100 = 106.16%
Formula
Percentage change = [(870 - 422) / 422] x 100
Subtract the new number by the original number
870 - 422 = 448
448 ÷ 422 = 1.061611374407583
1.061611374407583 x 100 = 106.16%