-85.65% is the change from 627 to 90
Calculation steps:
[( 90 - 627 ) ÷ 627] x 100 = -85.65%
Formula
Percentage change = [(90 - 627) / 627] x 100
Subtract the new number by the original number
90 - 627 = -537
-537 ÷ 627 = -0.8564593301435407
-0.8564593301435407 x 100 = -85.65%