-66.82% is the change from 211 to 70
Calculation steps:
[( 70 - 211 ) ÷ 211] x 100 = -66.82%
Formula
Percentage change = [(70 - 211) / 211] x 100
Subtract the new number by the original number
70 - 211 = -141
-141 ÷ 211 = -0.6682464454976303
-0.6682464454976303 x 100 = -66.82%