-70.66% is the change from 242 to 71
Calculation steps:
[( 71 - 242 ) ÷ 242] x 100 = -70.66%
Formula
Percentage change = [(71 - 242) / 242] x 100
Subtract the new number by the original number
71 - 242 = -171
-171 ÷ 242 = -0.7066115702479339
-0.7066115702479339 x 100 = -70.66%