-63.18% is the change from 277 to 102
Calculation steps:
[( 102 - 277 ) ÷ 277] x 100 = -63.18%
Formula
Percentage change = [(102 - 277) / 277] x 100
Subtract the new number by the original number
102 - 277 = -175
-175 ÷ 277 = -0.631768953068592
-0.631768953068592 x 100 = -63.18%