87.67% is the change from 438 to 822
Calculation steps:
[( 822 - 438 ) ÷ 438] x 100 = 87.67%
Formula
Percentage change = [(822 - 438) / 438] x 100
Subtract the new number by the original number
822 - 438 = 384
384 ÷ 438 = 0.8767123287671232
0.8767123287671232 x 100 = 87.67%