-68.75% is the change from 224 to 70
Calculation steps:
[( 70 - 224 ) ÷ 224] x 100 = -68.75%
Formula
Percentage change = [(70 - 224) / 224] x 100
Subtract the new number by the original number
70 - 224 = -154
-154 ÷ 224 = -0.6875
-0.6875 x 100 = -68.75%