79.38% is the change from 422 to 757
Calculation steps:
[( 757 - 422 ) ÷ 422] x 100 = 79.38%
Formula
Percentage change = [(757 - 422) / 422] x 100
Subtract the new number by the original number
757 - 422 = 335
335 ÷ 422 = 0.7938388625592417
0.7938388625592417 x 100 = 79.38%