2.64% is the change from 870 to 893
Calculation steps:
[( 893 - 870 ) ÷ 870] x 100 = 2.64%
Formula
Percentage change = [(893 - 870) / 870] x 100
Subtract the new number by the original number
893 - 870 = 23
23 ÷ 870 = 0.026436781609195402
0.026436781609195402 x 100 = 2.64%