87.2% is the change from 422 to 790
Calculation steps:
[( 790 - 422 ) ÷ 422] x 100 = 87.2%
Formula
Percentage change = [(790 - 422) / 422] x 100
Subtract the new number by the original number
790 - 422 = 368
368 ÷ 422 = 0.8720379146919431
0.8720379146919431 x 100 = 87.2%