-53.02% is the change from 149 to 70
Calculation steps:
[( 70 - 149 ) ÷ 149] x 100 = -53.02%
Formula
Percentage change = [(70 - 149) / 149] x 100
Subtract the new number by the original number
70 - 149 = -79
-79 ÷ 149 = -0.5302013422818792
-0.5302013422818792 x 100 = -53.02%