-70.55% is the change from 635 to 187
Calculation steps:
[( 187 - 635 ) ÷ 635] x 100 = -70.55%
Formula
Percentage change = [(187 - 635) / 635] x 100
Subtract the new number by the original number
187 - 635 = -448
-448 ÷ 635 = -0.705511811023622
-0.705511811023622 x 100 = -70.55%