83.22% is the change from 423 to 775
Calculation steps:
[( 775 - 423 ) ÷ 423] x 100 = 83.22%
Formula
Percentage change = [(775 - 423) / 423] x 100
Subtract the new number by the original number
775 - 423 = 352
352 ÷ 423 = 0.8321513002364066
0.8321513002364066 x 100 = 83.22%