-69.62% is the change from 665 to 202
Calculation steps:
[( 202 - 665 ) ÷ 665] x 100 = -69.62%
Formula
Percentage change = [(202 - 665) / 665] x 100
Subtract the new number by the original number
202 - 665 = -463
-463 ÷ 665 = -0.6962406015037594
-0.6962406015037594 x 100 = -69.62%