-75.95% is the change from 840 to 202
Calculation steps:
[( 202 - 840 ) ÷ 840] x 100 = -75.95%
Formula
Percentage change = [(202 - 840) / 840] x 100
Subtract the new number by the original number
202 - 840 = -638
-638 ÷ 840 = -0.7595238095238095
-0.7595238095238095 x 100 = -75.95%