-70.94% is the change from 351 to 102
Calculation steps:
[( 102 - 351 ) ÷ 351] x 100 = -70.94%
Formula
Percentage change = [(102 - 351) / 351] x 100
Subtract the new number by the original number
102 - 351 = -249
-249 ÷ 351 = -0.7094017094017094
-0.7094017094017094 x 100 = -70.94%
Example