-69.98% is the change from 623 to 187
Calculation steps:
[( 187 - 623 ) ÷ 623] x 100 = -69.98%
Formula
Percentage change = [(187 - 623) / 623] x 100
Subtract the new number by the original number
187 - 623 = -436
-436 ÷ 623 = -0.6998394863563403
-0.6998394863563403 x 100 = -69.98%