67.3% is the change from 422 to 706
Calculation steps:
[( 706 - 422 ) ÷ 422] x 100 = 67.3%
Formula
Percentage change = [(706 - 422) / 422] x 100
Subtract the new number by the original number
706 - 422 = 284
284 ÷ 422 = 0.6729857819905213
0.6729857819905213 x 100 = 67.3%