100.95% is the change from 210 to 422
Calculation steps:
[( 422 - 210 ) ÷ 210] x 100 = 100.95%
Formula
Percentage change = [(422 - 210) / 210] x 100
Subtract the new number by the original number
422 - 210 = 212
212 ÷ 210 = 1.0095238095238095
1.0095238095238095 x 100 = 100.95%