-14.6% is the change from 870 to 743
Calculation steps:
[( 743 - 870 ) ÷ 870] x 100 = -14.6%
Formula
Percentage change = [(743 - 870) / 870] x 100
Subtract the new number by the original number
743 - 870 = -127
-127 ÷ 870 = -0.14597701149425288
-0.14597701149425288 x 100 = -14.6%