-70.3% is the change from 633 to 188
Calculation steps:
[( 188 - 633 ) ÷ 633] x 100 = -70.3%
Formula
Percentage change = [(188 - 633) / 633] x 100
Subtract the new number by the original number
188 - 633 = -445
-445 ÷ 633 = -0.7030015797788309
-0.7030015797788309 x 100 = -70.3%