-86.76% is the change from 627 to 83
Calculation steps:
[( 83 - 627 ) ÷ 627] x 100 = -86.76%
Formula
Percentage change = [(83 - 627) / 627] x 100
Subtract the new number by the original number
83 - 627 = -544
-544 ÷ 627 = -0.8676236044657097
-0.8676236044657097 x 100 = -86.76%