82.51% is the change from 423 to 772
Calculation steps:
[( 772 - 423 ) ÷ 423] x 100 = 82.51%
Formula
Percentage change = [(772 - 423) / 423] x 100
Subtract the new number by the original number
772 - 423 = 349
349 ÷ 423 = 0.8250591016548463
0.8250591016548463 x 100 = 82.51%