-67.46% is the change from 633 to 206
Calculation steps:
[( 206 - 633 ) ÷ 633] x 100 = -67.46%
Formula
Percentage change = [(206 - 633) / 633] x 100
Subtract the new number by the original number
206 - 633 = -427
-427 ÷ 633 = -0.674565560821485
-0.674565560821485 x 100 = -67.46%