22.99% is the change from 670 to 824
Calculation steps:
[( 824 - 670 ) ÷ 670] x 100 = 22.99%
Formula
Percentage change = [(824 - 670) / 670] x 100
Subtract the new number by the original number
824 - 670 = 154
154 ÷ 670 = 0.2298507462686567
0.2298507462686567 x 100 = 22.99%