39.2% is the change from 625 to 870
Calculation steps:
[( 870 - 625 ) ÷ 625] x 100 = 39.2%
Formula
Percentage change = [(870 - 625) / 625] x 100
Subtract the new number by the original number
870 - 625 = 245
245 ÷ 625 = 0.392
0.392 x 100 = 39.2%
Example