-70.21% is the change from 235 to 70
Calculation steps:
[( 70 - 235 ) ÷ 235] x 100 = -70.21%
Formula
Percentage change = [(70 - 235) / 235] x 100
Subtract the new number by the original number
70 - 235 = -165
-165 ÷ 235 = -0.7021276595744681
-0.7021276595744681 x 100 = -70.21%