-54.43% is the change from 643 to 293
Calculation steps:
[( 293 - 643 ) ÷ 643] x 100 = -54.43%
Formula
Percentage change = [(293 - 643) / 643] x 100
Subtract the new number by the original number
293 - 643 = -350
-350 ÷ 643 = -0.5443234836702955
-0.5443234836702955 x 100 = -54.43%