135.7% is the change from 423 to 997
Calculation steps:
[( 997 - 423 ) ÷ 423] x 100 = 135.7%
Formula
Percentage change = [(997 - 423) / 423] x 100
Subtract the new number by the original number
997 - 423 = 574
574 ÷ 423 = 1.3569739952718676
1.3569739952718676 x 100 = 135.7%