-61.67% is the change from 634 to 243
Calculation steps:
[( 243 - 634 ) ÷ 634] x 100 = -61.67%
Formula
Percentage change = [(243 - 634) / 634] x 100
Subtract the new number by the original number
243 - 634 = -391
-391 ÷ 634 = -0.6167192429022083
-0.6167192429022083 x 100 = -61.67%