-64.98% is the change from 217 to 76
Calculation steps:
[( 76 - 217 ) ÷ 217] x 100 = -64.98%
Formula
Percentage change = [(76 - 217) / 217] x 100
Subtract the new number by the original number
76 - 217 = -141
-141 ÷ 217 = -0.6497695852534562
-0.6497695852534562 x 100 = -64.98%