837.78% is the change from 45 to 422
Calculation steps:
[( 422 - 45 ) ÷ 45] x 100 = 837.78%
Formula
Percentage change = [(422 - 45) / 45] x 100
Subtract the new number by the original number
422 - 45 = 377
377 ÷ 45 = 8.377777777777778
8.377777777777778 x 100 = 837.78%