-29.7% is the change from 101 to 71
Calculation steps:
[( 71 - 101 ) ÷ 101] x 100 = -29.7%
Formula
Percentage change = [(71 - 101) / 101] x 100
Subtract the new number by the original number
71 - 101 = -30
-30 ÷ 101 = -0.297029702970297
-0.297029702970297 x 100 = -29.7%