8.05% is the change from 870 to 940
Calculation steps:
[( 940 - 870 ) ÷ 870] x 100 = 8.05%
Formula
Percentage change = [(940 - 870) / 870] x 100
Subtract the new number by the original number
940 - 870 = 70
70 ÷ 870 = 0.08045977011494253
0.08045977011494253 x 100 = 8.05%