396.47% is the change from 85 to 422
Calculation steps:
[( 422 - 85 ) ÷ 85] x 100 = 396.47%
Formula
Percentage change = [(422 - 85) / 85] x 100
Subtract the new number by the original number
422 - 85 = 337
337 ÷ 85 = 3.9647058823529413
3.9647058823529413 x 100 = 396.47%