101.66% is the change from 422 to 851
Calculation steps:
[( 851 - 422 ) ÷ 422] x 100 = 101.66%
Formula
Percentage change = [(851 - 422) / 422] x 100
Subtract the new number by the original number
851 - 422 = 429
429 ÷ 422 = 1.0165876777251184
1.0165876777251184 x 100 = 101.66%