-70.21% is the change from 339 to 101
Calculation steps:
[( 101 - 339 ) ÷ 339] x 100 = -70.21%
Formula
Percentage change = [(101 - 339) / 339] x 100
Subtract the new number by the original number
101 - 339 = -238
-238 ÷ 339 = -0.7020648967551623
-0.7020648967551623 x 100 = -70.21%